Q: Is 3,124,240 a Composite Number?

Why is 3,124,240 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 3,124,240 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 392 490 560 784 797 980 1,594 1,960 3,188 3,920 3,985 5,579 6,376 7,970 11,158 12,752 15,940 22,316 27,895 31,880 39,053 44,632 55,790 63,760 78,106 89,264 111,580 156,212 195,265 223,160 312,424 390,530 446,320 624,848 781,060 1,562,120 and 3,124,240, with no remainder.

Since 3,124,240 cannot be divided by just 1 and 3,124,240, 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).