Q: Is 679,420 a Prime Number?
A: No, 679,420 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 679420 can be evenly divided by 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 211 230 322 422 460 644 805 844 1,055 1,477 1,610 2,110 2,954 3,220 4,220 4,853 5,908 7,385 9,706 14,770 19,412 24,265 29,540 33,971 48,530 67,942 97,060 135,884 169,855 339,710 and 679,420, with no remainder.
Since 679,420 cannot be divided by just 1 and 679,420, it is not a prime number.