Q: Is 42,415,648 a Prime Number?

 A: No, 42,415,648 is not a prime number.

Why is 42,415,648 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 42415648 can be evenly divided by 1 2 4 8 11 16 22 32 41 44 82 88 164 176 328 352 451 656 902 1,312 1,804 2,939 3,608 5,878 7,216 11,756 14,432 23,512 32,329 47,024 64,658 94,048 120,499 129,316 240,998 258,632 481,996 517,264 963,992 1,034,528 1,325,489 1,927,984 2,650,978 3,855,968 5,301,956 10,603,912 21,207,824 and 42,415,648, with no remainder.

Since 42,415,648 cannot be divided by just 1 and 42,415,648, 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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