Q: Is 1,191,423 a Prime Number?
A: No, 1,191,423 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 1191423 can be evenly divided by 1 3 23 31 69 93 557 713 1,671 2,139 12,811 17,267 38,433 51,801 397,141 and 1,191,423, with no remainder.
Since 1,191,423 cannot be divided by just 1 and 1,191,423, it is not a prime number.