Q: Is 142,140 a Prime Number?

 A: No, 142,140 is not a prime number.

Why is 142,140 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 142140 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 103 115 138 206 230 276 309 345 412 460 515 618 690 1,030 1,236 1,380 1,545 2,060 2,369 3,090 4,738 6,180 7,107 9,476 11,845 14,214 23,690 28,428 35,535 47,380 71,070 and 142,140, with no remainder.

Since 142,140 cannot be divided by just 1 and 142,140, it is not a prime number.


More Examples

Number 142,138142,139142,141142,142
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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