Q: Is 27,420 a Prime Number?
A: No, 27,420 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 27420 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 457 914 1,371 1,828 2,285 2,742 4,570 5,484 6,855 9,140 13,710 and 27,420, with no remainder.
Since 27,420 cannot be divided by just 1 and 27,420, it is not a prime number.