Q: Is 785,440 a Prime Number?
A: No, 785,440 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 785440 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 4,909 9,818 19,636 24,545 39,272 49,090 78,544 98,180 157,088 196,360 392,720 and 785,440, with no remainder.
Since 785,440 cannot be divided by just 1 and 785,440, it is not a prime number.