Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 747, 755 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 747 and 755 is 1.
GCF(747,755) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 747
3 | 747 |
3 | 249 |
83 | 83 |
1 |
Prime factors of 747 are 3,83. Prime factorization of 747 in exponential form is:
747 = 32×831
Prime Factorization of 755
5 | 755 |
151 | 151 |
1 |
Prime factors of 755 are 5,151. Prime factorization of 755 in exponential form is:
755 = 51×1511
∴ So by taking common prime factors GCF of 747 and 755 is 1
Factors of 747
List of positive integer factors of 747 that divides 747 without a remainder.
1,3,9,83,249,747
Factors of 755
List of positive integer factors of 755 that divides 755 without a remainder.
1,5,151,755
Greatest Common Factor
We found the factors and prime factorization of 747 and 755. The biggest common factor number is the GCF number.
So the greatest common factor 747 and 755 is 1.
Also check out the Least Common Multiple of 747 and 755
(i) The GCF of 747 and 755 is associative
GCF of 747 and 755 = GCF of 755 and 747
1. What is the GCF of 747 and 755?
Answer: GCF of 747 and 755 is 1.
2. What are the Factors of 747?
Answer: Factors of 747 are 1, 3, 9, 83, 249, 747. There are 6 integers that are factors of 747. The greatest factor of 747 is 747.
3. What are the Factors of 755?
Answer: Factors of 755 are 1, 5, 151, 755. There are 4 integers that are factors of 755. The greatest factor of 755 is 755.
4. How to Find the GCF of 747 and 755?
Answer:
Greatest Common Factor of 747 and 755 = 1
Step 1: Find the prime factorization of 747
747 = 3 x 3 x 83
Step 2: Find the prime factorization of 755
755 = 5 x 151
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 747 and 755 is 1