Q: Is 420,870 a Prime Number?
A: No, 420,870 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 420870 can be evenly divided by 1 2 3 5 6 10 15 30 14,029 28,058 42,087 70,145 84,174 140,290 210,435 and 420,870, with no remainder.
Since 420,870 cannot be divided by just 1 and 420,870, it is not a prime number.