Q: Is 1,620,432 a Composite Number?

Why is 1,620,432 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 1,620,432 can be evenly divided by 1 2 3 4 6 8 9 11 12 16 18 22 24 27 31 33 36 44 48 54 62 66 72 88 93 99 108 121 124 132 144 176 186 198 216 242 248 264 279 297 341 363 372 396 432 484 496 528 558 594 682 726 744 792 837 968 1,023 1,089 1,116 1,188 1,364 1,452 1,488 1,584 1,674 1,936 2,046 2,178 2,232 2,376 2,728 2,904 3,069 3,267 3,348 3,751 4,092 4,356 4,464 4,752 5,456 5,808 6,138 6,534 6,696 7,502 8,184 8,712 9,207 11,253 12,276 13,068 13,392 15,004 16,368 17,424 18,414 22,506 24,552 26,136 30,008 33,759 36,828 45,012 49,104 52,272 60,016 67,518 73,656 90,024 101,277 135,036 147,312 180,048 202,554 270,072 405,108 540,144 810,216 and 1,620,432, with no remainder.

Since 1,620,432 cannot be divided by just 1 and 1,620,432, 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).