Q: Is 55,040 a Prime Number?
A: No, 55,040 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 55040 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 43 64 80 86 128 160 172 215 256 320 344 430 640 688 860 1,280 1,376 1,720 2,752 3,440 5,504 6,880 11,008 13,760 27,520 and 55,040, with no remainder.
Since 55,040 cannot be divided by just 1 and 55,040, it is not a prime number.