Q: Is 65,678,140 a Composite Number?

Why is 65,678,140 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 65,678,140 can be evenly divided by 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 170 187 220 289 340 374 578 748 935 1,033 1,156 1,445 1,870 2,066 2,890 3,179 3,740 4,132 5,165 5,780 6,358 10,330 11,363 12,716 15,895 17,561 20,660 22,726 31,790 35,122 45,452 56,815 63,580 70,244 87,805 113,630 175,610 193,171 227,260 298,537 351,220 386,342 597,074 772,684 965,855 1,194,148 1,492,685 1,931,710 2,985,370 3,283,907 3,863,420 5,970,740 6,567,814 13,135,628 16,419,535 32,839,070 and 65,678,140, with no remainder.

Since 65,678,140 cannot be divided by just 1 and 65,678,140, 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).