Q: Is 121,240 a Prime Number?
A: No, 121,240 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 121240 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 433 866 1,732 2,165 3,031 3,464 4,330 6,062 8,660 12,124 15,155 17,320 24,248 30,310 60,620 and 121,240, with no remainder.
Since 121,240 cannot be divided by just 1 and 121,240, it is not a prime number.