Q: Is 40,242,342 a Prime Number?

 A: No, 40,242,342 is not a prime number.

Why is 40,242,342 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 40242342 can be evenly divided by 1 2 3 6 7 14 19 21 38 42 57 114 133 211 239 266 399 422 478 633 717 798 1,266 1,434 1,477 1,673 2,954 3,346 4,009 4,431 4,541 5,019 8,018 8,862 9,082 10,038 12,027 13,623 24,054 27,246 28,063 31,787 50,429 56,126 63,574 84,189 95,361 100,858 151,287 168,378 190,722 302,574 353,003 706,006 958,151 1,059,009 1,916,302 2,118,018 2,874,453 5,748,906 6,707,057 13,414,114 20,121,171 and 40,242,342, with no remainder.

Since 40,242,342 cannot be divided by just 1 and 40,242,342, 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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