Q: Is 310,840 a Prime Number?
A: No, 310,840 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 310840 can be evenly divided by 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 409 760 818 1,636 2,045 3,272 4,090 7,771 8,180 15,542 16,360 31,084 38,855 62,168 77,710 155,420 and 310,840, with no remainder.
Since 310,840 cannot be divided by just 1 and 310,840, it is not a prime number.