Q: Is 1,351,840 a Composite Number?

Why is 1,351,840 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 1,351,840 can be evenly divided by 1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 68 70 71 80 85 112 119 136 140 142 160 170 224 238 272 280 284 340 355 476 497 544 560 568 595 680 710 952 994 1,120 1,136 1,190 1,207 1,360 1,420 1,904 1,988 2,272 2,380 2,414 2,485 2,720 2,840 3,808 3,976 4,760 4,828 4,970 5,680 6,035 7,952 8,449 9,520 9,656 9,940 11,360 12,070 15,904 16,898 19,040 19,312 19,880 24,140 33,796 38,624 39,760 42,245 48,280 67,592 79,520 84,490 96,560 135,184 168,980 193,120 270,368 337,960 675,920 and 1,351,840, with no remainder.

Since 1,351,840 cannot be divided by just 1 and 1,351,840, 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).