Q: Is 251,940 a Composite Number?

Why is 251,940 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 251,940 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 17 19 20 26 30 34 38 39 51 52 57 60 65 68 76 78 85 95 102 114 130 156 170 190 195 204 221 228 247 255 260 285 323 340 380 390 442 494 510 570 646 663 741 780 884 969 988 1,020 1,105 1,140 1,235 1,292 1,326 1,482 1,615 1,938 2,210 2,470 2,652 2,964 3,230 3,315 3,705 3,876 4,199 4,420 4,845 4,940 6,460 6,630 7,410 8,398 9,690 12,597 13,260 14,820 16,796 19,380 20,995 25,194 41,990 50,388 62,985 83,980 125,970 and 251,940, with no remainder.

Since 251,940 cannot be divided by just 1 and 251,940, 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).