Q: Is 168,420 a Prime Number?
A: No, 168,420 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 168420 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 401 420 802 1,203 1,604 2,005 2,406 2,807 4,010 4,812 5,614 6,015 8,020 8,421 11,228 12,030 14,035 16,842 24,060 28,070 33,684 42,105 56,140 84,210 and 168,420, with no remainder.
Since 168,420 cannot be divided by just 1 and 168,420, it is not a prime number.