Q: Is 1,000,128 a Prime Number?

 A: No, 1,000,128 is not a prime number.

Why is 1,000,128 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 1000128 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 48 64 96 192 5,209 10,418 15,627 20,836 31,254 41,672 62,508 83,344 125,016 166,688 250,032 333,376 500,064 and 1,000,128, with no remainder.

Since 1,000,128 cannot be divided by just 1 and 1,000,128, it is not a prime number.


More Examples

Number 1,000,1261,000,1271,000,1291,000,130
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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