Q: Is 120,473,505 a Prime Number?

 A: No, 120,473,505 is not a prime number.

Why is 120,473,505 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 120473505 can be evenly divided by 1 3 5 9 15 45 53 159 265 477 795 2,385 50,513 151,539 252,565 454,617 757,695 2,273,085 2,677,189 8,031,567 13,385,945 24,094,701 40,157,835 and 120,473,505, with no remainder.

Since 120,473,505 cannot be divided by just 1 and 120,473,505, 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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