Q: Is 145,740 a Prime Number?

 A: No, 145,740 is not a prime number.

Why is 145,740 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 145740 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 347 420 694 1,041 1,388 1,735 2,082 2,429 3,470 4,164 4,858 5,205 6,940 7,287 9,716 10,410 12,145 14,574 20,820 24,290 29,148 36,435 48,580 72,870 and 145,740, with no remainder.

Since 145,740 cannot be divided by just 1 and 145,740, it is not a prime number.


More Examples

Number 145,738145,739145,741145,742
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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