Q: Is 42,002,025 a Prime Number?

 A: No, 42,002,025 is not a prime number.

Why is 42,002,025 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 42002025 can be evenly divided by 1 3 5 13 15 23 25 39 65 69 75 115 195 299 325 345 575 897 975 1,495 1,725 1,873 4,485 5,619 7,475 9,365 22,425 24,349 28,095 43,079 46,825 73,047 121,745 129,237 140,475 215,395 365,235 560,027 608,725 646,185 1,076,975 1,680,081 1,826,175 2,800,135 3,230,925 8,400,405 14,000,675 and 42,002,025, with no remainder.

Since 42,002,025 cannot be divided by just 1 and 42,002,025, 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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