Q: Is 1,009,640 a Prime Number?
A: No, 1,009,640 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 1009640 can be evenly divided by 1 2 4 5 8 10 20 40 43 86 172 215 344 430 587 860 1,174 1,720 2,348 2,935 4,696 5,870 11,740 23,480 25,241 50,482 100,964 126,205 201,928 252,410 504,820 and 1,009,640, with no remainder.
Since 1,009,640 cannot be divided by just 1 and 1,009,640, it is not a prime number.