Q: Is 709,640 a Prime Number?
A: No, 709,640 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 709640 can be evenly divided by 1 2 4 5 8 10 20 40 113 157 226 314 452 565 628 785 904 1,130 1,256 1,570 2,260 3,140 4,520 6,280 17,741 35,482 70,964 88,705 141,928 177,410 354,820 and 709,640, with no remainder.
Since 709,640 cannot be divided by just 1 and 709,640, it is not a prime number.