Q: Is 840,740 a Prime Number?
A: No, 840,740 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 840740 can be evenly divided by 1 2 4 5 10 20 127 254 331 508 635 662 1,270 1,324 1,655 2,540 3,310 6,620 42,037 84,074 168,148 210,185 420,370 and 840,740, with no remainder.
Since 840,740 cannot be divided by just 1 and 840,740, it is not a prime number.