Q: Is 201,002,120 a Prime Number?

 A: No, 201,002,120 is not a prime number.

Why is 201,002,120 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 201002120 can be evenly divided by 1 2 4 5 8 10 11 20 22 40 44 55 88 101 110 202 220 404 440 505 808 1,010 1,111 2,020 2,222 4,040 4,444 4,523 5,555 8,888 9,046 11,110 18,092 22,220 22,615 36,184 44,440 45,230 49,753 90,460 99,506 180,920 199,012 248,765 398,024 456,823 497,530 913,646 995,060 1,827,292 1,990,120 2,284,115 3,654,584 4,568,230 5,025,053 9,136,460 10,050,106 18,272,920 20,100,212 25,125,265 40,200,424 50,250,530 100,501,060 and 201,002,120, with no remainder.

Since 201,002,120 cannot be divided by just 1 and 201,002,120, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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