Q: Is 7,867,620 a Composite Number?

Why is 7,867,620 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 7,867,620 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 109 180 218 327 401 436 545 654 802 981 1,090 1,203 1,308 1,604 1,635 1,962 2,005 2,180 2,406 3,270 3,609 3,924 4,010 4,812 4,905 6,015 6,540 7,218 8,020 9,810 12,030 14,436 18,045 19,620 24,060 36,090 43,709 72,180 87,418 131,127 174,836 218,545 262,254 393,381 437,090 524,508 655,635 786,762 874,180 1,311,270 1,573,524 1,966,905 2,622,540 3,933,810 and 7,867,620, with no remainder.

Since 7,867,620 cannot be divided by just 1 and 7,867,620, 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).