Q: Is 7,421,742 a Prime Number?

 A: No, 7,421,742 is not a prime number.

Why is 7,421,742 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 7421742 can be evenly divided by 1 2 3 6 9 18 19 38 57 114 171 342 21,701 43,402 65,103 130,206 195,309 390,618 412,319 824,638 1,236,957 2,473,914 3,710,871 and 7,421,742, with no remainder.

Since 7,421,742 cannot be divided by just 1 and 7,421,742, it is not a prime number.


More Examples

Number 7,421,7407,421,7417,421,7437,421,744
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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