Q: Is 6,421,122 a Prime Number?
A: No, 6,421,122 is 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 6421122 can be evenly divided by 1 2 3 6 9 18 29 58 87 174 261 522 12,301 24,602 36,903 73,806 110,709 221,418 356,729 713,458 1,070,187 2,140,374 3,210,561 and 6,421,122, with no remainder.
Since 6,421,122 cannot be divided by just 1 and 6,421,122, it is not a prime number.