Q: Is 278,620,888 a Composite Number?

Why is 278,620,888 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 278,620,888 can be evenly divided by 1 2 4 7 8 13 14 17 26 28 34 47 52 56 68 91 94 104 119 136 182 188 221 238 329 364 376 442 476 479 611 658 728 799 884 952 958 1,222 1,316 1,547 1,598 1,768 1,916 2,444 2,632 3,094 3,196 3,353 3,832 4,277 4,888 5,593 6,188 6,227 6,392 6,706 8,143 8,554 10,387 11,186 12,376 12,454 13,412 16,286 17,108 20,774 22,372 22,513 24,908 26,824 32,572 34,216 41,548 43,589 44,744 45,026 49,816 57,001 65,144 72,709 83,096 87,178 90,052 105,859 114,002 145,418 157,591 174,356 180,104 211,718 228,004 290,836 292,669 315,182 348,712 382,721 423,436 456,008 581,672 585,338 630,364 741,013 765,442 846,872 1,170,676 1,260,728 1,482,026 1,530,884 2,048,683 2,341,352 2,679,047 2,964,052 3,061,768 4,097,366 4,975,373 5,358,094 5,928,104 8,194,732 9,950,746 10,716,188 16,389,464 19,901,492 21,432,376 34,827,611 39,802,984 69,655,222 139,310,444 and 278,620,888, with no remainder.

Since 278,620,888 cannot be divided by just 1 and 278,620,888, 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).