Q: Is 143,200,005 a Prime Number?

 A: No, 143,200,005 is not a prime number.

Why is 143,200,005 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 143200005 can be evenly divided by 1 3 5 13 15 31 39 65 93 155 195 403 465 1,209 2,015 6,045 23,689 71,067 118,445 307,957 355,335 734,359 923,871 1,539,785 2,203,077 3,671,795 4,619,355 9,546,667 11,015,385 28,640,001 47,733,335 and 143,200,005, with no remainder.

Since 143,200,005 cannot be divided by just 1 and 143,200,005, it is not a prime number.


More Examples

Number 143,200,003143,200,004143,200,006143,200,007
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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