Q: Is 831,420 a Prime Number?
A: No, 831,420 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 831420 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 149 155 180 186 279 298 310 372 447 465 558 596 620 745 894 930 1,116 1,341 1,395 1,490 1,788 1,860 2,235 2,682 2,790 2,980 4,470 4,619 5,364 5,580 6,705 8,940 9,238 13,410 13,857 18,476 23,095 26,820 27,714 41,571 46,190 55,428 69,285 83,142 92,380 138,570 166,284 207,855 277,140 415,710 and 831,420, with no remainder.
Since 831,420 cannot be divided by just 1 and 831,420, it is not a prime number.