Q: Is 561,704 a Prime Number?
A: No, 561,704 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 561704 can be evenly divided by 1 2 4 8 11 13 22 26 44 52 88 104 143 286 491 572 982 1,144 1,964 3,928 5,401 6,383 10,802 12,766 21,604 25,532 43,208 51,064 70,213 140,426 280,852 and 561,704, with no remainder.
Since 561,704 cannot be divided by just 1 and 561,704, it is not a prime number.