Q: Is 242,720 a Prime Number?
A: No, 242,720 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 242720 can be evenly divided by 1 2 4 5 8 10 16 20 32 37 40 41 74 80 82 148 160 164 185 205 296 328 370 410 592 656 740 820 1,184 1,312 1,480 1,517 1,640 2,960 3,034 3,280 5,920 6,068 6,560 7,585 12,136 15,170 24,272 30,340 48,544 60,680 121,360 and 242,720, with no remainder.
Since 242,720 cannot be divided by just 1 and 242,720, it is not a prime number.