Q: Is 6,409,620 a Composite Number?

Why is 6,409,620 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 6,409,620 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1,260 5,087 10,174 15,261 20,348 25,435 30,522 35,609 45,783 50,870 61,044 71,218 76,305 91,566 101,740 106,827 142,436 152,610 178,045 183,132 213,654 228,915 305,220 320,481 356,090 427,308 457,830 534,135 640,962 712,180 915,660 1,068,270 1,281,924 1,602,405 2,136,540 3,204,810 and 6,409,620, with no remainder.

Since 6,409,620 cannot be divided by just 1 and 6,409,620, 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).