Q: Is 1,331,000 a Prime Number?
A: No, 1,331,000 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 1331000 can be evenly divided by 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 121 125 200 220 242 250 275 440 484 500 550 605 968 1,000 1,100 1,210 1,331 1,375 2,200 2,420 2,662 2,750 3,025 4,840 5,324 5,500 6,050 6,655 10,648 11,000 12,100 13,310 15,125 24,200 26,620 30,250 33,275 53,240 60,500 66,550 121,000 133,100 166,375 266,200 332,750 665,500 and 1,331,000, with no remainder.
Since 1,331,000 cannot be divided by just 1 and 1,331,000, it is not a prime number.