Q: Is 420,742,132 a Prime Number?

 A: No, 420,742,132 is not a prime number.

Why is 420,742,132 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 420742132 can be evenly divided by 1 2 4 61 122 131 244 262 524 7,991 13,163 15,982 26,326 31,964 52,652 802,943 1,605,886 1,724,353 3,211,772 3,448,706 6,897,412 105,185,533 210,371,066 and 420,742,132, with no remainder.

Since 420,742,132 cannot be divided by just 1 and 420,742,132, it is not a prime number.


More Examples

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

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