Q: Is 900,840 a Prime Number?
A: No, 900,840 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 900840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 7,507 15,014 22,521 30,028 37,535 45,042 60,056 75,070 90,084 112,605 150,140 180,168 225,210 300,280 450,420 and 900,840, with no remainder.
Since 900,840 cannot be divided by just 1 and 900,840, it is not a prime number.