Q: Is 487,509 a Prime Number?
A: No, 487,509 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 487509 can be evenly divided by 1 3 11 17 33 51 79 121 187 237 363 561 869 1,343 2,057 2,607 4,029 6,171 9,559 14,773 28,677 44,319 162,503 and 487,509, with no remainder.
Since 487,509 cannot be divided by just 1 and 487,509, it is not a prime number.