Q: Is 1,501,515 a Prime Number?
A: No, 1,501,515 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 1501515 can be evenly divided by 1 3 5 9 15 45 61 183 305 547 549 915 1,641 2,735 2,745 4,923 8,205 24,615 33,367 100,101 166,835 300,303 500,505 and 1,501,515, with no remainder.
Since 1,501,515 cannot be divided by just 1 and 1,501,515, it is not a prime number.