Q: Is 731,250 a Prime Number?
A: No, 731,250 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 731250 can be evenly divided by 1 2 3 5 6 9 10 13 15 18 25 26 30 39 45 50 65 75 78 90 117 125 130 150 195 225 234 250 325 375 390 450 585 625 650 750 975 1,125 1,170 1,250 1,625 1,875 1,950 2,250 2,925 3,125 3,250 3,750 4,875 5,625 5,850 6,250 8,125 9,375 9,750 11,250 14,625 16,250 18,750 24,375 28,125 29,250 40,625 48,750 56,250 73,125 81,250 121,875 146,250 243,750 365,625 and 731,250, with no remainder.
Since 731,250 cannot be divided by just 1 and 731,250, it is not a prime number.