Q: Is 342,400 a Prime Number?

 A: No, 342,400 is not a prime number.

Why is 342,400 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 342400 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 107 128 160 200 214 320 400 428 535 640 800 856 1,070 1,600 1,712 2,140 2,675 3,200 3,424 4,280 5,350 6,848 8,560 10,700 13,696 17,120 21,400 34,240 42,800 68,480 85,600 171,200 and 342,400, with no remainder.

Since 342,400 cannot be divided by just 1 and 342,400, it is not a prime number.


More Examples

Number 342,398342,399342,401342,402
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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