Q: Is 291,520 a Prime Number?
A: No, 291,520 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 291520 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 911 1,822 3,644 4,555 7,288 9,110 14,576 18,220 29,152 36,440 58,304 72,880 145,760 and 291,520, with no remainder.
Since 291,520 cannot be divided by just 1 and 291,520, it is not a prime number.