Q: Is 1,187,500 a Prime Number?

 A: No, 1,187,500 is not a prime number.

Why is 1,187,500 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 1187500 can be evenly divided by 1 2 4 5 10 19 20 25 38 50 76 95 100 125 190 250 380 475 500 625 950 1,250 1,900 2,375 2,500 3,125 4,750 6,250 9,500 11,875 12,500 15,625 23,750 31,250 47,500 59,375 62,500 118,750 237,500 296,875 593,750 and 1,187,500, with no remainder.

Since 1,187,500 cannot be divided by just 1 and 1,187,500, it is not a prime number.


More Examples

Number 1,187,4981,187,4991,187,5011,187,502
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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