Q: Is 840,742 a Prime Number?
A: No, 840,742 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 840742 can be evenly divided by 1 2 7 14 23 46 49 98 161 322 373 746 1,127 2,254 2,611 5,222 8,579 17,158 18,277 36,554 60,053 120,106 420,371 and 840,742, with no remainder.
Since 840,742 cannot be divided by just 1 and 840,742, it is not a prime number.