Q: Is 401,520 a Prime Number?
A: No, 401,520 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 401520 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 239 240 280 336 420 478 560 717 840 956 1,195 1,434 1,673 1,680 1,912 2,390 2,868 3,346 3,585 3,824 4,780 5,019 5,736 6,692 7,170 8,365 9,560 10,038 11,472 13,384 14,340 16,730 19,120 20,076 25,095 26,768 28,680 33,460 40,152 50,190 57,360 66,920 80,304 100,380 133,840 200,760 and 401,520, with no remainder.
Since 401,520 cannot be divided by just 1 and 401,520, it is not a prime number.