Q: Is 13,861,620 a Composite Number?

Why is 13,861,620 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 13,861,620 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 53 60 90 106 159 180 212 265 318 477 530 636 795 954 1,060 1,453 1,590 1,908 2,385 2,906 3,180 4,359 4,770 5,812 7,265 8,718 9,540 13,077 14,530 17,436 21,795 26,154 29,060 43,590 52,308 65,385 77,009 87,180 130,770 154,018 231,027 261,540 308,036 385,045 462,054 693,081 770,090 924,108 1,155,135 1,386,162 1,540,180 2,310,270 2,772,324 3,465,405 4,620,540 6,930,810 and 13,861,620, with no remainder.

Since 13,861,620 cannot be divided by just 1 and 13,861,620, 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).