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 749, 755 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 749 and 755 is 1.
GCF(749,755) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
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 749 and 755 is 1
Factors of 749
List of positive integer factors of 749 that divides 749 without a remainder.
1,7,107,749
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 749 and 755. The biggest common factor number is the GCF number.
So the greatest common factor 749 and 755 is 1.
Also check out the Least Common Multiple of 749 and 755
(i) The GCF of 749 and 755 is associative
GCF of 749 and 755 = GCF of 755 and 749
1. What is the GCF of 749 and 755?
Answer: GCF of 749 and 755 is 1.
2. 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.
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 749 and 755?
Answer:
Greatest Common Factor of 749 and 755 = 1
Step 1: Find the prime factorization of 749
749 = 7 x 107
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 749 and 755 is 1