Q: Is 616,420 a Prime Number?
A: No, 616,420 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 616420 can be evenly divided by 1 2 4 5 7 10 14 17 20 28 34 35 37 49 68 70 74 85 98 119 140 148 170 185 196 238 245 259 340 370 476 490 518 595 629 740 833 980 1,036 1,190 1,258 1,295 1,666 1,813 2,380 2,516 2,590 3,145 3,332 3,626 4,165 4,403 5,180 6,290 7,252 8,330 8,806 9,065 12,580 16,660 17,612 18,130 22,015 30,821 36,260 44,030 61,642 88,060 123,284 154,105 308,210 and 616,420, with no remainder.
Since 616,420 cannot be divided by just 1 and 616,420, it is not a prime number.