Q: Is 42,858,921 a Prime Number?

 A: No, 42,858,921 is not a prime number.

Why is 42,858,921 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 42858921 can be evenly divided by 1 3 7 17 21 51 119 271 357 443 813 1,329 1,897 3,101 4,607 5,691 7,531 9,303 13,821 22,593 32,249 52,717 96,747 120,053 158,151 360,159 840,371 2,040,901 2,521,113 6,122,703 14,286,307 and 42,858,921, with no remainder.

Since 42,858,921 cannot be divided by just 1 and 42,858,921, it is not a prime number.


More Examples

Number 42,858,91942,858,92042,858,92242,858,923
Prime? yesnonoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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