Q: Is 1,235,640 a Composite Number?

Why is 1,235,640 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 1,235,640 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 1,471 2,942 4,413 5,884 7,355 8,826 10,297 11,768 14,710 17,652 20,594 22,065 29,420 30,891 35,304 41,188 44,130 51,485 58,840 61,782 82,376 88,260 102,970 123,564 154,455 176,520 205,940 247,128 308,910 411,880 617,820 and 1,235,640, with no remainder.

Since 1,235,640 cannot be divided by just 1 and 1,235,640, 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).