Q: Is 345,664 a Prime Number?
A: No, 345,664 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 345664 can be evenly divided by 1 2 4 8 11 16 22 32 44 64 88 176 352 491 704 982 1,964 3,928 5,401 7,856 10,802 15,712 21,604 31,424 43,208 86,416 172,832 and 345,664, with no remainder.
Since 345,664 cannot be divided by just 1 and 345,664, it is not a prime number.