Q: Is 187,000 a Prime Number?

 A: No, 187,000 is not a prime number.

Why is 187,000 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 187000 can be evenly divided by 1 2 4 5 8 10 11 17 20 22 25 34 40 44 50 55 68 85 88 100 110 125 136 170 187 200 220 250 275 340 374 425 440 500 550 680 748 850 935 1,000 1,100 1,375 1,496 1,700 1,870 2,125 2,200 2,750 3,400 3,740 4,250 4,675 5,500 7,480 8,500 9,350 11,000 17,000 18,700 23,375 37,400 46,750 93,500 and 187,000, with no remainder.

Since 187,000 cannot be divided by just 1 and 187,000, it is not a prime number.


More Examples

Number 186,998186,999187,001187,002
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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