Q: Is 419,920 a Prime Number?
A: No, 419,920 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 419920 can be evenly divided by 1 2 4 5 8 10 16 20 29 40 58 80 116 145 181 232 290 362 464 580 724 905 1,160 1,448 1,810 2,320 2,896 3,620 5,249 7,240 10,498 14,480 20,996 26,245 41,992 52,490 83,984 104,980 209,960 and 419,920, with no remainder.
Since 419,920 cannot be divided by just 1 and 419,920, it is not a prime number.