Q: Is 1,509,534 a Prime Number?
A: No, 1,509,534 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 1509534 can be evenly divided by 1 2 3 6 9 13 18 26 39 78 117 234 6,451 12,902 19,353 38,706 58,059 83,863 116,118 167,726 251,589 503,178 754,767 and 1,509,534, with no remainder.
Since 1,509,534 cannot be divided by just 1 and 1,509,534, it is not a prime number.