Q: Is 6,420,120 a Prime Number?
A: No, 6,420,120 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 6420120 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 7,643 15,286 22,929 30,572 38,215 45,858 53,501 61,144 76,430 91,716 107,002 114,645 152,860 160,503 183,432 214,004 229,290 267,505 305,720 321,006 428,008 458,580 535,010 642,012 802,515 917,160 1,070,020 1,284,024 1,605,030 2,140,040 3,210,060 and 6,420,120, with no remainder.
Since 6,420,120 cannot be divided by just 1 and 6,420,120, it is not a prime number.