Q: Is 401,500 a Prime Number?

 A: No, 401,500 is not a prime number.

Why is 401,500 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 401500 can be evenly divided by 1 2 4 5 10 11 20 22 25 44 50 55 73 100 110 125 146 220 250 275 292 365 500 550 730 803 1,100 1,375 1,460 1,606 1,825 2,750 3,212 3,650 4,015 5,500 7,300 8,030 9,125 16,060 18,250 20,075 36,500 40,150 80,300 100,375 200,750 and 401,500, with no remainder.

Since 401,500 cannot be divided by just 1 and 401,500, it is not a prime number.


More Examples

Number 401,498401,499401,501401,502
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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