Q: Is 1,637,440 a Composite Number?

Why is 1,637,440 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 1,637,440 can be evenly divided by 1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 43 56 64 68 70 80 85 86 112 119 136 140 160 170 172 215 224 238 272 280 301 320 340 344 430 448 476 544 560 595 602 680 688 731 860 952 1,088 1,120 1,190 1,204 1,360 1,376 1,462 1,505 1,720 1,904 2,240 2,380 2,408 2,720 2,752 2,924 3,010 3,440 3,655 3,808 4,760 4,816 5,117 5,440 5,848 6,020 6,880 7,310 7,616 9,520 9,632 10,234 11,696 12,040 13,760 14,620 19,040 19,264 20,468 23,392 24,080 25,585 29,240 38,080 40,936 46,784 48,160 51,170 58,480 81,872 96,320 102,340 116,960 163,744 204,680 233,920 327,488 409,360 818,720 and 1,637,440, with no remainder.

Since 1,637,440 cannot be divided by just 1 and 1,637,440, 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).