The multiples of 90 are 90, 180, 270, 360, 450, 540, 630, 720, 810, 900, and so on — every number you get by multiplying 90 by a whole number. The list never ends.
Below you will find the full multiplication table for 90 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.
Type any whole number and the answer appears instantly.
Divides the number by 90 and tells you whether it goes in exactly.
Counting in 90s is the fastest way to reach any multiple without multiplying. Each hop below adds another 90.
The complete multiplication table for 90, from 90 × 1 to 90 × 100.
| # | Expression | Result |
|---|---|---|
| 1 | 90 × 1 | 90 |
| 2 | 90 × 2 | 180 |
| 3 | 90 × 3 | 270 |
| 4 | 90 × 4 | 360 |
| 5 | 90 × 5 | 450 |
| 6 | 90 × 6 | 540 |
| 7 | 90 × 7 | 630 |
| 8 | 90 × 8 | 720 |
| 9 | 90 × 9 | 810 |
| 10 | 90 × 10 | 900 |
| 11 | 90 × 11 | 990 |
| 12 | 90 × 12 | 1,080 |
| 13 | 90 × 13 | 1,170 |
| 14 | 90 × 14 | 1,260 |
| 15 | 90 × 15 | 1,350 |
| 16 | 90 × 16 | 1,440 |
| 17 | 90 × 17 | 1,530 |
| 18 | 90 × 18 | 1,620 |
| 19 | 90 × 19 | 1,710 |
| 20 | 90 × 20 | 1,800 |
| 21 | 90 × 21 | 1,890 |
| 22 | 90 × 22 | 1,980 |
| 23 | 90 × 23 | 2,070 |
| 24 | 90 × 24 | 2,160 |
| 25 | 90 × 25 | 2,250 |
| 26 | 90 × 26 | 2,340 |
| 27 | 90 × 27 | 2,430 |
| 28 | 90 × 28 | 2,520 |
| 29 | 90 × 29 | 2,610 |
| 30 | 90 × 30 | 2,700 |
| 31 | 90 × 31 | 2,790 |
| 32 | 90 × 32 | 2,880 |
| 33 | 90 × 33 | 2,970 |
| 34 | 90 × 34 | 3,060 |
| 35 | 90 × 35 | 3,150 |
| 36 | 90 × 36 | 3,240 |
| 37 | 90 × 37 | 3,330 |
| 38 | 90 × 38 | 3,420 |
| 39 | 90 × 39 | 3,510 |
| 40 | 90 × 40 | 3,600 |
| 41 | 90 × 41 | 3,690 |
| 42 | 90 × 42 | 3,780 |
| 43 | 90 × 43 | 3,870 |
| 44 | 90 × 44 | 3,960 |
| 45 | 90 × 45 | 4,050 |
| 46 | 90 × 46 | 4,140 |
| 47 | 90 × 47 | 4,230 |
| 48 | 90 × 48 | 4,320 |
| 49 | 90 × 49 | 4,410 |
| 50 | 90 × 50 | 4,500 |
| 51 | 90 × 51 | 4,590 |
| 52 | 90 × 52 | 4,680 |
| 53 | 90 × 53 | 4,770 |
| 54 | 90 × 54 | 4,860 |
| 55 | 90 × 55 | 4,950 |
| 56 | 90 × 56 | 5,040 |
| 57 | 90 × 57 | 5,130 |
| 58 | 90 × 58 | 5,220 |
| 59 | 90 × 59 | 5,310 |
| 60 | 90 × 60 | 5,400 |
| 61 | 90 × 61 | 5,490 |
| 62 | 90 × 62 | 5,580 |
| 63 | 90 × 63 | 5,670 |
| 64 | 90 × 64 | 5,760 |
| 65 | 90 × 65 | 5,850 |
| 66 | 90 × 66 | 5,940 |
| 67 | 90 × 67 | 6,030 |
| 68 | 90 × 68 | 6,120 |
| 69 | 90 × 69 | 6,210 |
| 70 | 90 × 70 | 6,300 |
| 71 | 90 × 71 | 6,390 |
| 72 | 90 × 72 | 6,480 |
| 73 | 90 × 73 | 6,570 |
| 74 | 90 × 74 | 6,660 |
| 75 | 90 × 75 | 6,750 |
| 76 | 90 × 76 | 6,840 |
| 77 | 90 × 77 | 6,930 |
| 78 | 90 × 78 | 7,020 |
| 79 | 90 × 79 | 7,110 |
| 80 | 90 × 80 | 7,200 |
| 81 | 90 × 81 | 7,290 |
| 82 | 90 × 82 | 7,380 |
| 83 | 90 × 83 | 7,470 |
| 84 | 90 × 84 | 7,560 |
| 85 | 90 × 85 | 7,650 |
| 86 | 90 × 86 | 7,740 |
| 87 | 90 × 87 | 7,830 |
| 88 | 90 × 88 | 7,920 |
| 89 | 90 × 89 | 8,010 |
| 90 | 90 × 90 | 8,100 |
| 91 | 90 × 91 | 8,190 |
| 92 | 90 × 92 | 8,280 |
| 93 | 90 × 93 | 8,370 |
| 94 | 90 × 94 | 8,460 |
| 95 | 90 × 95 | 8,550 |
| 96 | 90 × 96 | 8,640 |
| 97 | 90 × 97 | 8,730 |
| 98 | 90 × 98 | 8,820 |
| 99 | 90 × 99 | 8,910 |
| 100 | 90 × 100 | 9,000 |
90
There are 1 multiples of 90 between 1 and 100.
90, 180, 270, 360, 450, 540, 630, 720, 810, 900, 990
That is 11 multiples of 90 below 1,000, ending at 990.
Factors are the mirror image of multiples: they divide into 90 exactly, rather than being built from it. The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90.
Written as pairs: 1 × 90, 2 × 45, 3 × 30, 5 × 18, 6 × 15, 9 × 10.
Broken all the way down into primes, 90 = 2 × 3² × 5.
The lowest common multiple (LCM) of two numbers is the smallest number that appears in both of their multiplication tables. Here is 90 paired with the numbers it is most often compared to.
| Pair | LCM | Greatest common factor | Next common multiple |
|---|---|---|---|
| 90 and 2 | 90 | 2 | 180 |
| 90 and 3 | 90 | 3 | 180 |
| 90 and 4 | 180 | 2 | 360 |
| 90 and 5 | 90 | 5 | 180 |
| 90 and 6 | 90 | 6 | 180 |
Start at 90 and keep adding 90. That gives 90, 180, 270, 360, 450, and the pattern continues for as long as you want to go. Multiplying is simply a shortcut for the same thing: 90 × 7 = 630 saves you counting seven hops one at a time.
Because 90 is even, every one of its multiples is even too — you will never find an odd number in this table.
Multiples of 90 always end in 0 or 5, which is why they turn up so often in money and measurement problems.
The multiples of 90 are 90, 180, 270, 360, 450, 540, 630, 720, 810, 900, and so on. Each one is 90 multiplied by a whole number, so the list continues without end.
There are 1 multiples of 90 between 1 and 100: 90.
There are 11 multiples of 90 below 1,000. They run from 90 up to 990.
The 10th multiple of 90 is 90 × 10 = 900.
The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90 — 12 in total. Factors divide into 90; multiples are built out of it.
No. 90 is a composite number — it has 12 factors, and breaks down into 2 × 3² × 5.
The lowest common multiple of 90 and 2 is 90. It is the first number that appears in both multiplication tables.