Q: Is 120,142,420 a Prime Number?

 A: No, 120,142,420 is not a prime number.

Why is 120,142,420 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 120142420 can be evenly divided by 1 2 4 5 10 20 197 394 788 985 1,970 3,940 30,493 60,986 121,972 152,465 304,930 609,860 6,007,121 12,014,242 24,028,484 30,035,605 60,071,210 and 120,142,420, with no remainder.

Since 120,142,420 cannot be divided by just 1 and 120,142,420, it is not a prime number.


More Examples

Number 120,142,418120,142,419120,142,421120,142,422
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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