5 ) 75 5 ) 15 3 ) 3 ---- 1 So the prime factors are 3 x 5 x 5
3 and 5
GCF stands for Greatest Common Factor. This means that the GCF of 45 and 75 will be the greatest common factor of 45 and 75. The prime factorization of 45 is 3^2*5. Thus, a number is a factor of 45 if and only if it does not have more than 2 3s in its prime factorization, more than one 5 in its prime factorization, or any other prime factor. The prime factorization of 75 is 3*5^2. Thus, a number is a factor of 75 if and only if it does not have more than one 3 in its prime factorization, more than 2 5s in its prime factorization, or any other prime factor. Combining those two conclusions together, we get that if a number is a common factor of 45 and 75 if and only if it does not have more than one 3 in its prime factorization, more than one 5 in its prime factorization, or any other prime factor. Since multiplying by a 3 or a 5 will only increase the value of a number, there is no reason to not include them. Thus, the GCF of 45 and 75 is 3*5 or 15.
the answer is pretty simple. 9009 x 1003 x 3 5 x 205 x 42 x 2answer: it depends how you do it because you can do in any way really.
That would be 15. Only a number ending in five would be a factor of 75. 45 is not. 35 is not. 25 is not. 15 is, and it also is a factor of 90. This makes it the highest common factor of 75 and 90, although it is not a prime factor.
5 ) 75 5 ) 15 3 ) 3 ---- 1 So the prime factors are 3 x 5 x 5
The greatest prime factor of 75 and 90 is: 5
prime factors of 28 are: 2, 2, 7.prime factors of 75 are: 3, 5, 5.As 28 and 75 have no common prime factors, their greatest common factor is 1.
Use a factor tree. 75 25,3 5,5,3
The factors of 75 are 1, 3, 5, 15, 25 and 75. The prime factors are 3 and 5.
3 and 5
150/2 = 75/3 = 25/5 = 5/5 = 1 2 x 3 x 5 x 5 = 150
Don't bother. Since 25 is a factor of 75, it is automatically the GCF.
The greatest Common Factor (GCF) of 18 and 75 is 3.
No.
Don't bother. Since 25 is a factor of 75, it is automatically the GCF.
No, 60 and 75 are not relatively prime because their greatest common factor is 15 and not 1. In order for them to be relatively prime, 1 must be their greatest common factor.