Q: Is 18,240 a Prime Number?

 A: No, 18,240 is not a prime number.

Why is 18,240 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 18240 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 64 76 80 95 96 114 120 152 160 190 192 228 240 285 304 320 380 456 480 570 608 760 912 960 1,140 1,216 1,520 1,824 2,280 3,040 3,648 4,560 6,080 9,120 and 18,240, with no remainder.

Since 18,240 cannot be divided by just 1 and 18,240, it is not a prime number.


More Examples

Number 18,23818,23918,24118,242
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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