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, 749 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 747 and 749 is 1.
GCF(747,749) = 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 749
7 | 749 |
107 | 107 |
1 |
Prime factors of 749 are 7,107. Prime factorization of 749 in exponential form is:
749 = 71×1071
∴ So by taking common prime factors GCF of 747 and 749 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 749
List of positive integer factors of 749 that divides 749 without a remainder.
1,7,107,749
Greatest Common Factor
We found the factors and prime factorization of 747 and 749. The biggest common factor number is the GCF number.
So the greatest common factor 747 and 749 is 1.
Also check out the Least Common Multiple of 747 and 749
(i) The GCF of 747 and 749 is associative
GCF of 747 and 749 = GCF of 749 and 747
1. What is the GCF of 747 and 749?
Answer: GCF of 747 and 749 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 749?
Answer: Factors of 749 are 1, 7, 107, 749. There are 4 integers that are factors of 749. The greatest factor of 749 is 749.
4. How to Find the GCF of 747 and 749?
Answer:
Greatest Common Factor of 747 and 749 = 1
Step 1: Find the prime factorization of 747
747 = 3 x 3 x 83
Step 2: Find the prime factorization of 749
749 = 7 x 107
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 749 is 1