The factors of 189 are 1 3 7 9 21 27 63 189 So the largest factor is 189. However, 189 is not a proper factor, even though it is a factor. The largest proper factor is 63. Now 63 is not prime, since is is clearly divisible by 3. The largest prime factor is 7
7 is a prime factor of 189, because 7 X 27 = 189.
They are: 333*7 = 189
Neither 189 nor 1500 are prime factors.
The largest prime factor of 92 is 23.
The largest prime factor of 1,505 is 43.
The largest prime factor of 93,093 is 31.
The largest prime factor of 38 is 19.
The largest prime factor of 42 is 7
The largest prime factor of 4,110 is 137.
The largest prime factor of 8,091 is: 31
The largest prime factor of 1,996 is 499.