Q: Is 1,200,400 a Prime Number?

 A: No, 1,200,400 is not a prime number.

Why is 1,200,400 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 1200400 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 3,001 6,002 12,004 15,005 24,008 30,010 48,016 60,020 75,025 120,040 150,050 240,080 300,100 600,200 and 1,200,400, with no remainder.

Since 1,200,400 cannot be divided by just 1 and 1,200,400, it is not a prime number.


More Examples

Number 1,200,3981,200,3991,200,4011,200,402
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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