Q: Is 42,426,400 a Prime Number?

 A: No, 42,426,400 is not a prime number.

Why is 42,426,400 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 42426400 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 181 200 293 362 400 586 724 800 905 1,172 1,448 1,465 1,810 2,344 2,896 2,930 3,620 4,525 4,688 5,792 5,860 7,240 7,325 9,050 9,376 11,720 14,480 14,650 18,100 23,440 28,960 29,300 36,200 46,880 53,033 58,600 72,400 106,066 117,200 144,800 212,132 234,400 265,165 424,264 530,330 848,528 1,060,660 1,325,825 1,697,056 2,121,320 2,651,650 4,242,640 5,303,300 8,485,280 10,606,600 21,213,200 and 42,426,400, with no remainder.

Since 42,426,400 cannot be divided by just 1 and 42,426,400, 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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