Q: Is 123,500 a Prime Number?

 A: No, 123,500 is not a prime number.

Why is 123,500 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 123500 can be evenly divided by 1 2 4 5 10 13 19 20 25 26 38 50 52 65 76 95 100 125 130 190 247 250 260 325 380 475 494 500 650 950 988 1,235 1,300 1,625 1,900 2,375 2,470 3,250 4,750 4,940 6,175 6,500 9,500 12,350 24,700 30,875 61,750 and 123,500, with no remainder.

Since 123,500 cannot be divided by just 1 and 123,500, it is not a prime number.


More Examples

Number 123,498123,499123,501123,502
Prime? noyesnono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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