Q: Is 121,420 a Prime Number?
A: No, 121,420 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 121420 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 467 934 1,868 2,335 4,670 6,071 9,340 12,142 24,284 30,355 60,710 and 121,420, with no remainder.
Since 121,420 cannot be divided by just 1 and 121,420, it is not a prime number.