Q: Is 274,840 a Prime Number?
A: No, 274,840 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 274840 can be evenly divided by 1 2 4 5 8 10 20 40 6,871 13,742 27,484 34,355 54,968 68,710 137,420 and 274,840, with no remainder.
Since 274,840 cannot be divided by just 1 and 274,840, it is not a prime number.