Q: Is 3,720,840 a Prime Number?
A: No, 3,720,840 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 3720840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 101 120 202 303 307 404 505 606 614 808 921 1,010 1,212 1,228 1,515 1,535 1,842 2,020 2,424 2,456 3,030 3,070 3,684 4,040 4,605 6,060 6,140 7,368 9,210 12,120 12,280 18,420 31,007 36,840 62,014 93,021 124,028 155,035 186,042 248,056 310,070 372,084 465,105 620,140 744,168 930,210 1,240,280 1,860,420 and 3,720,840, with no remainder.
Since 3,720,840 cannot be divided by just 1 and 3,720,840, it is not a prime number.