Q: Is 726,560 a Prime Number?
A: No, 726,560 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 726560 can be evenly divided by 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 239 304 380 478 608 760 956 1,195 1,520 1,912 2,390 3,040 3,824 4,541 4,780 7,648 9,082 9,560 18,164 19,120 22,705 36,328 38,240 45,410 72,656 90,820 145,312 181,640 363,280 and 726,560, with no remainder.
Since 726,560 cannot be divided by just 1 and 726,560, it is not a prime number.