Q: Is 1,355,520 a Composite Number?

Why is 1,355,520 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 1,355,520 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 353 384 480 640 706 768 960 1,059 1,280 1,412 1,765 1,920 2,118 2,824 3,530 3,840 4,236 5,295 5,648 7,060 8,472 10,590 11,296 14,120 16,944 21,180 22,592 28,240 33,888 42,360 45,184 56,480 67,776 84,720 90,368 112,960 135,552 169,440 225,920 271,104 338,880 451,840 677,760 and 1,355,520, with no remainder.

Since 1,355,520 cannot be divided by just 1 and 1,355,520, 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).