Multiples of 221

The multiples of 221 are 221, 442, 663, 884, 1105, 1326, 1547, 1768, 1989, 2210, and so on — every number you get by multiplying 221 by a whole number. The list never ends.

Below you will find the full multiplication table for 221 up to 100×, the complete list of multiples up to 1,000, a calculator that checks any number for you, and the factors and patterns behind them.

Parity
Odd
Type
Composite
Factors
4
Prime factors
13 × 17
221 squared
48,841
Multiples under 1,000
4

Multiply 221 by anything

Type any whole number and the answer appears instantly.

Is a number a multiple of 221?

Divides the number by 221 and tells you whether it goes in exactly.

Skip counting by 221

Counting in 221s is the fastest way to reach any multiple without multiplying. Each hop below adds another 221.

0+221221+221442+221663+221884+2211105+2211326+2211547+2211768
Skip counting from 0 in steps of 221.

Table of multiples of 221 (1 to 100)

The complete multiplication table for 221, from 221 × 1 to 221 × 100.

# Expression Result
1 221 × 1 221
2 221 × 2 442
3 221 × 3 663
4 221 × 4 884
5 221 × 5 1,105
6 221 × 6 1,326
7 221 × 7 1,547
8 221 × 8 1,768
9 221 × 9 1,989
10 221 × 10 2,210
11 221 × 11 2,431
12 221 × 12 2,652
13 221 × 13 2,873
14 221 × 14 3,094
15 221 × 15 3,315
16 221 × 16 3,536
17 221 × 17 3,757
18 221 × 18 3,978
19 221 × 19 4,199
20 221 × 20 4,420
21 221 × 21 4,641
22 221 × 22 4,862
23 221 × 23 5,083
24 221 × 24 5,304
25 221 × 25 5,525
26 221 × 26 5,746
27 221 × 27 5,967
28 221 × 28 6,188
29 221 × 29 6,409
30 221 × 30 6,630
31 221 × 31 6,851
32 221 × 32 7,072
33 221 × 33 7,293
34 221 × 34 7,514
35 221 × 35 7,735
36 221 × 36 7,956
37 221 × 37 8,177
38 221 × 38 8,398
39 221 × 39 8,619
40 221 × 40 8,840
41 221 × 41 9,061
42 221 × 42 9,282
43 221 × 43 9,503
44 221 × 44 9,724
45 221 × 45 9,945
46 221 × 46 10,166
47 221 × 47 10,387
48 221 × 48 10,608
49 221 × 49 10,829
50 221 × 50 11,050
51 221 × 51 11,271
52 221 × 52 11,492
53 221 × 53 11,713
54 221 × 54 11,934
55 221 × 55 12,155
56 221 × 56 12,376
57 221 × 57 12,597
58 221 × 58 12,818
59 221 × 59 13,039
60 221 × 60 13,260
61 221 × 61 13,481
62 221 × 62 13,702
63 221 × 63 13,923
64 221 × 64 14,144
65 221 × 65 14,365
66 221 × 66 14,586
67 221 × 67 14,807
68 221 × 68 15,028
69 221 × 69 15,249
70 221 × 70 15,470
71 221 × 71 15,691
72 221 × 72 15,912
73 221 × 73 16,133
74 221 × 74 16,354
75 221 × 75 16,575
76 221 × 76 16,796
77 221 × 77 17,017
78 221 × 78 17,238
79 221 × 79 17,459
80 221 × 80 17,680
81 221 × 81 17,901
82 221 × 82 18,122
83 221 × 83 18,343
84 221 × 84 18,564
85 221 × 85 18,785
86 221 × 86 19,006
87 221 × 87 19,227
88 221 × 88 19,448
89 221 × 89 19,669
90 221 × 90 19,890
91 221 × 91 20,111
92 221 × 92 20,332
93 221 × 93 20,553
94 221 × 94 20,774
95 221 × 95 20,995
96 221 × 96 21,216
97 221 × 97 21,437
98 221 × 98 21,658
99 221 × 99 21,879
100 221 × 100 22,100

Multiples of 221 up to 100

221 is larger than 100, so it has no multiples below 100. Its first multiple is 221 itself.

Multiples of 221 up to 1000

221, 442, 663, 884

That is 4 multiples of 221 below 1,000, ending at 884.

Factors of 221

Factors are the mirror image of multiples: they divide into 221 exactly, rather than being built from it. The factors of 221 are 1, 13, 17, 221.

11317221
Each arc joins a pair of factors that multiply to 221.

Written as pairs: 1 × 221, 13 × 17.

Broken all the way down into primes, 221 = 13 × 17.

Common multiples of 221 and other numbers

The lowest common multiple (LCM) of two numbers is the smallest number that appears in both of their multiplication tables. Here is 221 paired with the numbers it is most often compared to.

Pair LCM Greatest common factor Next common multiple
221 and 2 442 1 884
221 and 3 663 1 1,326
221 and 4 884 1 1,768
221 and 5 1,105 1 2,210
221 and 6 1,326 1 2,652

How to find the multiples of 221

Start at 221 and keep adding 221. That gives 221, 442, 663, 884, 1105, and the pattern continues for as long as you want to go. Multiplying is simply a shortcut for the same thing: 221 × 7 = 1,547 saves you counting seven hops one at a time.

Patterns in the multiples of 221

Because 221 is odd, its multiples alternate between odd and even. That alternation is a quick way to sanity-check an answer before you write it down.

The last digits repeat in a cycle of 10: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, then back to the start. Spotting that cycle is a fast way to rule out a wrong answer.

Frequently asked questions

What are the multiples of 221?

The multiples of 221 are 221, 442, 663, 884, 1105, 1326, 1547, 1768, 1989, 2210, and so on. Each one is 221 multiplied by a whole number, so the list continues without end.

What are the multiples of 221 up to 100?

221 is larger than 100, so it has no multiples in that range.

What are the multiples of 221 up to 1000?

There are 4 multiples of 221 below 1,000. They run from 221 up to 884.

What is the 10th multiple of 221?

The 10th multiple of 221 is 221 × 10 = 2,210.

What are the factors of 221?

The factors of 221 are 1, 13, 17, 221 — 4 in total. Factors divide into 221; multiples are built out of it.

Is 221 a prime number?

No. 221 is a composite number — it has 4 factors, and breaks down into 13 × 17.

What is the LCM of 221 and 2?

The lowest common multiple of 221 and 2 is 442. It is the first number that appears in both multiplication tables.