Q: Is 2,421,920 a Prime Number?

 A: No, 2,421,920 is not a prime number.

Why is 2,421,920 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 2421920 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 15,137 30,274 60,548 75,685 121,096 151,370 242,192 302,740 484,384 605,480 1,210,960 and 2,421,920, with no remainder.

Since 2,421,920 cannot be divided by just 1 and 2,421,920, it is not a prime number.


More Examples

Number 2,421,9182,421,9192,421,9212,421,922
Prime? noyesnono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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