Q: Is 457,520 a Prime Number?
A: No, 457,520 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 457520 can be evenly divided by 1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 43 56 70 76 80 86 95 112 133 140 152 172 190 215 266 280 301 304 344 380 430 532 560 602 665 688 760 817 860 1,064 1,204 1,330 1,505 1,520 1,634 1,720 2,128 2,408 2,660 3,010 3,268 3,440 4,085 4,816 5,320 5,719 6,020 6,536 8,170 10,640 11,438 12,040 13,072 16,340 22,876 24,080 28,595 32,680 45,752 57,190 65,360 91,504 114,380 228,760 and 457,520, with no remainder.
Since 457,520 cannot be divided by just 1 and 457,520, it is not a prime number.