Q: Is 4,007,421 a Prime Number?

 A: No, 4,007,421 is not a prime number.

Why is 4,007,421 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 4007421 can be evenly divided by 1 3 9 11 27 33 99 103 131 297 309 393 927 1,133 1,179 1,441 2,781 3,399 3,537 4,323 10,197 12,969 13,493 30,591 38,907 40,479 121,437 148,423 364,311 445,269 1,335,807 and 4,007,421, with no remainder.

Since 4,007,421 cannot be divided by just 1 and 4,007,421, it is not a prime number.


More Examples

Number 4,007,4194,007,4204,007,4224,007,423
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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