Q: Is 528,420 a Prime Number?
A: No, 528,420 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 528420 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 8,807 17,614 26,421 35,228 44,035 52,842 88,070 105,684 132,105 176,140 264,210 and 528,420, with no remainder.
Since 528,420 cannot be divided by just 1 and 528,420, it is not a prime number.