Q: Is 25,563,408 a Composite Number?

Why is 25,563,408 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 25,563,408 can be evenly divided by 1 2 3 4 6 8 12 13 16 24 26 39 48 52 71 78 104 142 156 208 213 284 312 426 568 577 624 852 923 1,136 1,154 1,704 1,731 1,846 2,308 2,769 3,408 3,462 3,692 4,616 5,538 6,924 7,384 7,501 9,232 11,076 13,848 14,768 15,002 22,152 22,503 27,696 30,004 40,967 44,304 45,006 60,008 81,934 90,012 120,016 122,901 163,868 180,024 245,802 327,736 360,048 491,604 532,571 655,472 983,208 1,065,142 1,597,713 1,966,416 2,130,284 3,195,426 4,260,568 6,390,852 8,521,136 12,781,704 and 25,563,408, with no remainder.

Since 25,563,408 cannot be divided by just 1 and 25,563,408, 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).