Q: Is 102,420 a Prime Number?
A: No, 102,420 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 102420 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 569 1,138 1,707 2,276 2,845 3,414 5,121 5,690 6,828 8,535 10,242 11,380 17,070 20,484 25,605 34,140 51,210 and 102,420, with no remainder.
Since 102,420 cannot be divided by just 1 and 102,420, it is not a prime number.