Q: Is 4,780 a Prime Number?

A: No, 4,780 is not a prime number.

Why is 4,780 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 4780 can be evenly divided by 1 2 4 5 10 20 239 478 956 1,195 2,390 and 4,780, with no remainder.

Since 4,780 cannot be divided by just 1 and 4,780, it is not a prime number.

Number	4,778	4,779	4,781	4,782
Prime?	no	no	no	no

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

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