Q: Is 124,840 a Prime Number?
A: No, 124,840 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 124840 can be evenly divided by 1 2 4 5 8 10 20 40 3,121 6,242 12,484 15,605 24,968 31,210 62,420 and 124,840, with no remainder.
Since 124,840 cannot be divided by just 1 and 124,840, it is not a prime number.