Q: Is 1,221,402 a Prime Number?
A: No, 1,221,402 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 1221402 can be evenly divided by 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 2,237 4,474 6,711 13,422 15,659 29,081 31,318 46,977 58,162 87,243 93,954 174,486 203,567 407,134 610,701 and 1,221,402, with no remainder.
Since 1,221,402 cannot be divided by just 1 and 1,221,402, it is not a prime number.