Q: Is 420,880 a Prime Number?
A: No, 420,880 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 420880 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 5,261 10,522 21,044 26,305 42,088 52,610 84,176 105,220 210,440 and 420,880, with no remainder.
Since 420,880 cannot be divided by just 1 and 420,880, it is not a prime number.