Q: Is 155,012,013 a Prime Number?

 A: No, 155,012,013 is not a prime number.

Why is 155,012,013 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 155012013 can be evenly divided by 1 3 9 13 19 39 57 103 117 171 247 309 677 741 927 1,339 1,957 2,031 2,223 4,017 5,871 6,093 8,801 12,051 12,863 17,613 25,441 26,403 38,589 69,731 76,323 79,209 115,767 167,219 209,193 228,969 501,657 627,579 906,503 1,324,889 1,504,971 2,719,509 3,974,667 8,158,527 11,924,001 17,223,557 51,670,671 and 155,012,013, with no remainder.

Since 155,012,013 cannot be divided by just 1 and 155,012,013, 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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