Q: Is 3,125,000 a Prime Number?
A: No, 3,125,000 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 3125000 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1,000 1,250 2,500 3,125 5,000 6,250 12,500 15,625 25,000 31,250 62,500 78,125 125,000 156,250 312,500 390,625 625,000 781,250 1,562,500 and 3,125,000, with no remainder.
Since 3,125,000 cannot be divided by just 1 and 3,125,000, it is not a prime number.