Q: Is 42,141,420 a Prime Number?

 A: No, 42,141,420 is not a prime number.

Why is 42,141,420 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 42141420 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 103 180 206 309 412 515 618 927 1,030 1,236 1,545 1,854 2,060 2,273 3,090 3,708 4,546 4,635 6,180 6,819 9,092 9,270 11,365 13,638 18,540 20,457 22,730 27,276 34,095 40,914 45,460 68,190 81,828 102,285 136,380 204,570 234,119 409,140 468,238 702,357 936,476 1,170,595 1,404,714 2,107,071 2,341,190 2,809,428 3,511,785 4,214,142 4,682,380 7,023,570 8,428,284 10,535,355 14,047,140 21,070,710 and 42,141,420, with no remainder.

Since 42,141,420 cannot be divided by just 1 and 42,141,420, 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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