Q: Is 27,125,780 a Composite Number?

Why is 27,125,780 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 27,125,780 can be evenly divided by 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1,019 1,210 1,331 2,038 2,420 2,662 4,076 5,095 5,324 6,655 10,190 11,209 13,310 20,380 22,418 26,620 44,836 56,045 112,090 123,299 224,180 246,598 493,196 616,495 1,232,990 1,356,289 2,465,980 2,712,578 5,425,156 6,781,445 13,562,890 and 27,125,780, with no remainder.

Since 27,125,780 cannot be divided by just 1 and 27,125,780, 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).