Q: Is 7,000,875 a Composite Number?

Why is 7,000,875 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 7,000,875 can be evenly divided by 1 3 5 7 9 15 21 25 35 45 49 63 75 105 125 127 147 175 225 245 315 375 381 441 525 635 735 875 889 1,125 1,143 1,225 1,575 1,905 2,205 2,625 2,667 3,175 3,675 4,445 5,715 6,125 6,223 7,875 8,001 9,525 11,025 13,335 15,875 18,375 18,669 22,225 28,575 31,115 40,005 47,625 55,125 56,007 66,675 93,345 111,125 142,875 155,575 200,025 280,035 333,375 466,725 777,875 1,000,125 1,400,175 2,333,625 and 7,000,875, with no remainder.

Since 7,000,875 cannot be divided by just 1 and 7,000,875, 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).