Q: Is 2,509,540 a Composite Number?

Why is 2,509,540 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 2,509,540 can be evenly divided by 1 2 4 5 10 11 17 20 22 34 44 55 61 68 85 110 121 122 170 187 220 242 244 305 340 374 484 605 610 671 748 935 1,037 1,210 1,220 1,342 1,870 2,057 2,074 2,420 2,684 3,355 3,740 4,114 4,148 5,185 6,710 7,381 8,228 10,285 10,370 11,407 13,420 14,762 20,570 20,740 22,814 29,524 36,905 41,140 45,628 57,035 73,810 114,070 125,477 147,620 228,140 250,954 501,908 627,385 1,254,770 and 2,509,540, with no remainder.

Since 2,509,540 cannot be divided by just 1 and 2,509,540, 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).