Q: Is 345,620 a Prime Number?
A: No, 345,620 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 345620 can be evenly divided by 1 2 4 5 10 11 20 22 44 55 110 220 1,571 3,142 6,284 7,855 15,710 17,281 31,420 34,562 69,124 86,405 172,810 and 345,620, with no remainder.
Since 345,620 cannot be divided by just 1 and 345,620, it is not a prime number.