Q: Is 266,320 a Prime Number?
A: No, 266,320 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 266320 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 3,329 6,658 13,316 16,645 26,632 33,290 53,264 66,580 133,160 and 266,320, with no remainder.
Since 266,320 cannot be divided by just 1 and 266,320, it is not a prime number.