Q: Is 142,432,040 a Prime Number?

 A: No, 142,432,040 is not a prime number.

Why is 142,432,040 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 142432040 can be evenly divided by 1 2 4 5 8 10 20 40 89 178 356 445 712 890 1,780 3,560 40,009 80,018 160,036 200,045 320,072 400,090 800,180 1,600,360 3,560,801 7,121,602 14,243,204 17,804,005 28,486,408 35,608,010 71,216,020 and 142,432,040, with no remainder.

Since 142,432,040 cannot be divided by just 1 and 142,432,040, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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