Q: Is 3,420 a Prime Number?
A: No, 3,420 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 3420 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 342 380 570 684 855 1,140 1,710 and 3,420, with no remainder.
Since 3,420 cannot be divided by just 1 and 3,420, it is not a prime number.