Q: Is 1,209,020 a Prime Number?

 A: No, 1,209,020 is not a prime number.

Why is 1,209,020 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 1209020 can be evenly divided by 1 2 4 5 10 20 61 122 244 305 610 991 1,220 1,982 3,964 4,955 9,910 19,820 60,451 120,902 241,804 302,255 604,510 and 1,209,020, with no remainder.

Since 1,209,020 cannot be divided by just 1 and 1,209,020, it is not a prime number.


More Examples

Number 1,209,0181,209,0191,209,0211,209,022
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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