Q: Is 121,000 a Prime Number?

 A: No, 121,000 is not a prime number.

Why is 121,000 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 121000 can be evenly divided by 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 121 125 200 220 242 250 275 440 484 500 550 605 968 1,000 1,100 1,210 1,375 2,200 2,420 2,750 3,025 4,840 5,500 6,050 11,000 12,100 15,125 24,200 30,250 60,500 and 121,000, with no remainder.

Since 121,000 cannot be divided by just 1 and 121,000, it is not a prime number.


More Examples

Number 120,998120,999121,001121,002
Prime? nonoyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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