Q: Is 345,390 a Prime Number?
A: No, 345,390 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 345390 can be evenly divided by 1 2 3 5 6 10 15 29 30 58 87 145 174 290 397 435 794 870 1,191 1,985 2,382 3,970 5,955 11,513 11,910 23,026 34,539 57,565 69,078 115,130 172,695 and 345,390, with no remainder.
Since 345,390 cannot be divided by just 1 and 345,390, it is not a prime number.