Q: Is 2,505,942 a Prime Number?
A: No, 2,505,942 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 2505942 can be evenly divided by 1 2 3 6 9 18 23 46 69 138 207 414 6,053 12,106 18,159 36,318 54,477 108,954 139,219 278,438 417,657 835,314 1,252,971 and 2,505,942, with no remainder.
Since 2,505,942 cannot be divided by just 1 and 2,505,942, it is not a prime number.