Q: Is 1,555,122 a Prime Number?
A: No, 1,555,122 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 1555122 can be evenly divided by 1 2 3 6 23 46 59 69 118 138 177 191 354 382 573 1,146 1,357 2,714 4,071 4,393 8,142 8,786 11,269 13,179 22,538 26,358 33,807 67,614 259,187 518,374 777,561 and 1,555,122, with no remainder.
Since 1,555,122 cannot be divided by just 1 and 1,555,122, it is not a prime number.