Q: Is 775,520 a Prime Number?
A: No, 775,520 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 775520 can be evenly divided by 1 2 4 5 8 10 16 20 32 37 40 74 80 131 148 160 185 262 296 370 524 592 655 740 1,048 1,184 1,310 1,480 2,096 2,620 2,960 4,192 4,847 5,240 5,920 9,694 10,480 19,388 20,960 24,235 38,776 48,470 77,552 96,940 155,104 193,880 387,760 and 775,520, with no remainder.
Since 775,520 cannot be divided by just 1 and 775,520, it is not a prime number.