Q: Is 357,840 a Composite Number?

Why is 357,840 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 357,840 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 71 72 80 84 90 105 112 120 126 140 142 144 168 180 210 213 240 252 280 284 315 336 355 360 420 426 497 504 560 568 630 639 710 720 840 852 994 1,008 1,065 1,136 1,260 1,278 1,420 1,491 1,680 1,704 1,988 2,130 2,485 2,520 2,556 2,840 2,982 3,195 3,408 3,976 4,260 4,473 4,970 5,040 5,112 5,680 5,964 6,390 7,455 7,952 8,520 8,946 9,940 10,224 11,928 12,780 14,910 17,040 17,892 19,880 22,365 23,856 25,560 29,820 35,784 39,760 44,730 51,120 59,640 71,568 89,460 119,280 178,920 and 357,840, with no remainder.

Since 357,840 cannot be divided by just 1 and 357,840, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).