Q: Is 609,420 a Prime Number?
A: No, 609,420 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 609420 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 1,451 2,902 4,353 5,804 7,255 8,706 10,157 14,510 17,412 20,314 21,765 29,020 30,471 40,628 43,530 50,785 60,942 87,060 101,570 121,884 152,355 203,140 304,710 and 609,420, with no remainder.
Since 609,420 cannot be divided by just 1 and 609,420, it is not a prime number.