Q: Is 1,123,120 a Prime Number?

 A: No, 1,123,120 is not a prime number.

Why is 1,123,120 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 1123120 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 101 139 202 278 404 505 556 695 808 1,010 1,112 1,390 1,616 2,020 2,224 2,780 4,040 5,560 8,080 11,120 14,039 28,078 56,156 70,195 112,312 140,390 224,624 280,780 561,560 and 1,123,120, with no remainder.

Since 1,123,120 cannot be divided by just 1 and 1,123,120, it is not a prime number.


More Examples

Number 1,123,1181,123,1191,123,1211,123,122
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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