Q: Is 1,461,320 a Composite Number?

Why is 1,461,320 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 1,461,320 can be evenly divided by 1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 119 136 140 170 238 280 307 340 476 595 614 680 952 1,190 1,228 1,535 2,149 2,380 2,456 3,070 4,298 4,760 5,219 6,140 8,596 10,438 10,745 12,280 17,192 20,876 21,490 26,095 36,533 41,752 42,980 52,190 73,066 85,960 104,380 146,132 182,665 208,760 292,264 365,330 730,660 and 1,461,320, with no remainder.

Since 1,461,320 cannot be divided by just 1 and 1,461,320, 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).