Q: Is 262,720 a Prime Number?
A: No, 262,720 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 262720 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 821 1,642 3,284 4,105 6,568 8,210 13,136 16,420 26,272 32,840 52,544 65,680 131,360 and 262,720, with no remainder.
Since 262,720 cannot be divided by just 1 and 262,720, it is not a prime number.