Q: Is 797,440 a Composite Number?

Why is 797,440 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 797,440 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 89 112 128 140 160 178 224 256 280 320 356 445 448 560 623 640 712 890 896 1,120 1,246 1,280 1,424 1,780 1,792 2,240 2,492 2,848 3,115 3,560 4,480 4,984 5,696 6,230 7,120 8,960 9,968 11,392 12,460 14,240 19,936 22,784 24,920 28,480 39,872 49,840 56,960 79,744 99,680 113,920 159,488 199,360 398,720 and 797,440, with no remainder.

Since 797,440 cannot be divided by just 1 and 797,440, 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).