Q: Is 1,564,764 a Prime Number?
A: No, 1,564,764 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 1564764 can be evenly divided by 1 2 3 4 6 12 19 38 57 76 114 228 6,863 13,726 20,589 27,452 41,178 82,356 130,397 260,794 391,191 521,588 782,382 and 1,564,764, with no remainder.
Since 1,564,764 cannot be divided by just 1 and 1,564,764, it is not a prime number.