Q: Is 25,190,970 a Composite Number?

Why is 25,190,970 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 25,190,970 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 139 210 278 417 695 834 863 973 1,390 1,726 1,946 2,085 2,589 2,919 4,170 4,315 4,865 5,178 5,838 6,041 8,630 9,730 12,082 12,945 14,595 18,123 25,890 29,190 30,205 36,246 60,410 90,615 119,957 181,230 239,914 359,871 599,785 719,742 839,699 1,199,570 1,679,398 1,799,355 2,519,097 3,598,710 4,198,495 5,038,194 8,396,990 12,595,485 and 25,190,970, with no remainder.

Since 25,190,970 cannot be divided by just 1 and 25,190,970, 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).