Q: Is 840,630 a Prime Number?
A: No, 840,630 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 840630 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 4,003 8,006 12,009 20,015 24,018 28,021 40,030 56,042 60,045 84,063 120,090 140,105 168,126 280,210 420,315 and 840,630, with no remainder.
Since 840,630 cannot be divided by just 1 and 840,630, it is not a prime number.