Q: Is 1,340,740 a Prime Number?
A: No, 1,340,740 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 1340740 can be evenly divided by 1 2 4 5 10 20 43 86 172 215 430 860 1,559 3,118 6,236 7,795 15,590 31,180 67,037 134,074 268,148 335,185 670,370 and 1,340,740, with no remainder.
Since 1,340,740 cannot be divided by just 1 and 1,340,740, it is not a prime number.