Q: Is 145,390 a Prime Number?
A: No, 145,390 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 145390 can be evenly divided by 1 2 5 7 10 14 31 35 62 67 70 134 155 217 310 335 434 469 670 938 1,085 2,077 2,170 2,345 4,154 4,690 10,385 14,539 20,770 29,078 72,695 and 145,390, with no remainder.
Since 145,390 cannot be divided by just 1 and 145,390, it is not a prime number.