Q: Is 725,145 a Prime Number?
A: No, 725,145 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 725145 can be evenly divided by 1 3 5 15 29 87 145 435 1,667 5,001 8,335 25,005 48,343 145,029 241,715 and 725,145, with no remainder.
Since 725,145 cannot be divided by just 1 and 725,145, it is not a prime number.