Q: Is 1,260,420 a Prime Number?
A: No, 1,260,420 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 1260420 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 3,001 6,002 9,003 12,004 15,005 18,006 21,007 30,010 36,012 42,014 45,015 60,020 63,021 84,028 90,030 105,035 126,042 180,060 210,070 252,084 315,105 420,140 630,210 and 1,260,420, with no remainder.
Since 1,260,420 cannot be divided by just 1 and 1,260,420, it is not a prime number.