Q: Is 161,504 a Prime Number?
A: No, 161,504 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 161504 can be evenly divided by 1 2 4 7 8 14 16 28 32 49 56 98 103 112 196 206 224 392 412 721 784 824 1,442 1,568 1,648 2,884 3,296 5,047 5,768 10,094 11,536 20,188 23,072 40,376 80,752 and 161,504, with no remainder.
Since 161,504 cannot be divided by just 1 and 161,504, it is not a prime number.