Q: Is 2,637,840 a Composite Number?

Why is 2,637,840 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 2,637,840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 40 48 58 60 80 87 116 120 145 174 232 240 290 348 379 435 464 580 696 758 870 1,137 1,160 1,392 1,516 1,740 1,895 2,274 2,320 3,032 3,480 3,790 4,548 5,685 6,064 6,960 7,580 9,096 10,991 11,370 15,160 18,192 21,982 22,740 30,320 32,973 43,964 45,480 54,955 65,946 87,928 90,960 109,910 131,892 164,865 175,856 219,820 263,784 329,730 439,640 527,568 659,460 879,280 1,318,920 and 2,637,840, with no remainder.

Since 2,637,840 cannot be divided by just 1 and 2,637,840, 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).