Q: Is 1,142,120 a Prime Number?

 A: No, 1,142,120 is not a prime number.

Why is 1,142,120 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 1142120 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 4,079 8,158 16,316 20,395 28,553 32,632 40,790 57,106 81,580 114,212 142,765 163,160 228,424 285,530 571,060 and 1,142,120, with no remainder.

Since 1,142,120 cannot be divided by just 1 and 1,142,120, it is not a prime number.


More Examples

Number 1,142,1181,142,1191,142,1211,142,122
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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