Q: Is 1,638,252 a Composite Number?

Why is 1,638,252 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 1,638,252 can be evenly divided by 1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 54 63 66 77 84 99 108 126 132 154 189 197 198 231 252 297 308 378 394 396 462 591 594 693 756 788 924 1,182 1,188 1,379 1,386 1,773 2,079 2,167 2,364 2,758 2,772 3,546 4,137 4,158 4,334 5,319 5,516 6,501 7,092 8,274 8,316 8,668 10,638 12,411 13,002 15,169 16,548 19,503 21,276 24,822 26,004 30,338 37,233 39,006 45,507 49,644 58,509 60,676 74,466 78,012 91,014 117,018 136,521 148,932 182,028 234,036 273,042 409,563 546,084 819,126 and 1,638,252, with no remainder.

Since 1,638,252 cannot be divided by just 1 and 1,638,252, 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).