Q: Is 42,174,728 a Prime Number?

 A: No, 42,174,728 is not a prime number.

Why is 42,174,728 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 42174728 can be evenly divided by 1 2 4 8 73 146 257 281 292 514 562 584 1,028 1,124 2,056 2,248 18,761 20,513 37,522 41,026 72,217 75,044 82,052 144,434 150,088 164,104 288,868 577,736 5,271,841 10,543,682 21,087,364 and 42,174,728, with no remainder.

Since 42,174,728 cannot be divided by just 1 and 42,174,728, 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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