Q: Is 143,980 a Prime Number?

A: No, 143,980 is not a prime number.

Why is 143,980 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 143980 can be evenly divided by 1 2 4 5 10 20 23 46 92 115 230 313 460 626 1,252 1,565 3,130 6,260 7,199 14,398 28,796 35,995 71,990 and 143,980, with no remainder.

Since 143,980 cannot be divided by just 1 and 143,980, it is not a prime number.

Number	143,978	143,979	143,981	143,982
Prime?	no	no	yes	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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