Q: Is 1,427,634 a Prime Number?
A: No, 1,427,634 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 1427634 can be evenly divided by 1 2 3 6 9 13 18 26 39 78 117 234 6,101 12,202 18,303 36,606 54,909 79,313 109,818 158,626 237,939 475,878 713,817 and 1,427,634, with no remainder.
Since 1,427,634 cannot be divided by just 1 and 1,427,634, it is not a prime number.