Q: Is 310,000 a Prime Number?
A: No, 310,000 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 310000 can be evenly divided by 1 2 4 5 8 10 16 20 25 31 40 50 62 80 100 124 125 155 200 248 250 310 400 496 500 620 625 775 1,000 1,240 1,250 1,550 2,000 2,480 2,500 3,100 3,875 5,000 6,200 7,750 10,000 12,400 15,500 19,375 31,000 38,750 62,000 77,500 155,000 and 310,000, with no remainder.
Since 310,000 cannot be divided by just 1 and 310,000, it is not a prime number.