Q: Is 1,248,420 a Prime Number?
A: No, 1,248,420 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 1248420 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 20,807 41,614 62,421 83,228 104,035 124,842 208,070 249,684 312,105 416,140 624,210 and 1,248,420, with no remainder.
Since 1,248,420 cannot be divided by just 1 and 1,248,420, it is not a prime number.