Q: Is 72,520 a Prime Number?
A: No, 72,520 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 72520 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 37 40 49 56 70 74 98 140 148 185 196 245 259 280 296 370 392 490 518 740 980 1,036 1,295 1,480 1,813 1,960 2,072 2,590 3,626 5,180 7,252 9,065 10,360 14,504 18,130 36,260 and 72,520, with no remainder.
Since 72,520 cannot be divided by just 1 and 72,520, it is not a prime number.