Q: Is 489,780 a Prime Number?

 A: No, 489,780 is not a prime number.

Why is 489,780 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 489780 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 907 1,814 2,721 3,628 4,535 5,442 8,163 9,070 10,884 13,605 16,326 18,140 24,489 27,210 32,652 40,815 48,978 54,420 81,630 97,956 122,445 163,260 244,890 and 489,780, with no remainder.

Since 489,780 cannot be divided by just 1 and 489,780, it is not a prime number.


More Examples

Number 489,778489,779489,781489,782
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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