Q: Is 14,121,200 a Prime Number?

Why is 14,121,200 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 14121200 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 43 50 80 86 100 172 200 215 344 400 430 688 821 860 1,075 1,642 1,720 2,150 3,284 3,440 4,105 4,300 6,568 8,210 8,600 13,136 16,420 17,200 20,525 32,840 35,303 41,050 65,680 70,606 82,100 141,212 164,200 176,515 282,424 328,400 353,030 564,848 706,060 882,575 1,412,120 1,765,150 2,824,240 3,530,300 7,060,600 and 14,121,200, with no remainder.

Since 14,121,200 cannot be divided by just 1 and 14,121,200, 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).