Q: Is 145,700 a Prime Number?
A: No, 145,700 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 145700 can be evenly divided by 1 2 4 5 10 20 25 31 47 50 62 94 100 124 155 188 235 310 470 620 775 940 1,175 1,457 1,550 2,350 2,914 3,100 4,700 5,828 7,285 14,570 29,140 36,425 72,850 and 145,700, with no remainder.
Since 145,700 cannot be divided by just 1 and 145,700, it is not a prime number.