Q: Is 3,138,948 a Composite Number?

Why is 3,138,948 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 3,138,948 can be evenly divided by 1 2 3 4 6 9 12 17 18 23 34 36 46 51 68 69 92 102 138 153 204 207 223 276 306 391 414 446 612 669 782 828 892 1,173 1,338 1,564 2,007 2,346 2,676 3,519 3,791 4,014 4,692 5,129 7,038 7,582 8,028 10,258 11,373 14,076 15,164 15,387 20,516 22,746 30,774 34,119 45,492 46,161 61,548 68,238 87,193 92,322 136,476 174,386 184,644 261,579 348,772 523,158 784,737 1,046,316 1,569,474 and 3,138,948, with no remainder.

Since 3,138,948 cannot be divided by just 1 and 3,138,948, 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).