Q: Is 3,120,840 a Prime Number?
A: No, 3,120,840 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 3120840 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 8,669 17,338 26,007 34,676 43,345 52,014 69,352 78,021 86,690 104,028 130,035 156,042 173,380 208,056 260,070 312,084 346,760 390,105 520,140 624,168 780,210 1,040,280 1,560,420 and 3,120,840, with no remainder.
Since 3,120,840 cannot be divided by just 1 and 3,120,840, it is not a prime number.