Q: Is 516,740 a Prime Number?
A: No, 516,740 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 516740 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 3,691 7,382 14,764 18,455 25,837 36,910 51,674 73,820 103,348 129,185 258,370 and 516,740, with no remainder.
Since 516,740 cannot be divided by just 1 and 516,740, it is not a prime number.