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 74, 77 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 74 and 77 is 1.
GCF(74,77) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 74
2 | 74 |
37 | 37 |
1 |
Prime factors of 74 are 2,37. Prime factorization of 74 in exponential form is:
74 = 21×371
Prime Factorization of 77
7 | 77 |
11 | 11 |
1 |
Prime factors of 77 are 7,11. Prime factorization of 77 in exponential form is:
77 = 71×111
∴ So by taking common prime factors GCF of 74 and 77 is 1
Factors of 74
List of positive integer factors of 74 that divides 74 without a remainder.
1,2,37,74
Factors of 77
List of positive integer factors of 77 that divides 77 without a remainder.
1,7,11,77
Greatest Common Factor
We found the factors and prime factorization of 74 and 77. The biggest common factor number is the GCF number.
So the greatest common factor 74 and 77 is 1.
Also check out the Least Common Multiple of 74 and 77
(i) The GCF of 74 and 77 is associative
GCF of 74 and 77 = GCF of 77 and 74
1. What is the GCF of 74 and 77?
Answer: GCF of 74 and 77 is 1.
2. What are the Factors of 74?
Answer: Factors of 74 are 1, 2, 37, 74. There are 4 integers that are factors of 74. The greatest factor of 74 is 74.
3. What are the Factors of 77?
Answer: Factors of 77 are 1, 7, 11, 77. There are 4 integers that are factors of 77. The greatest factor of 77 is 77.
4. How to Find the GCF of 74 and 77?
Answer:
Greatest Common Factor of 74 and 77 = 1
Step 1: Find the prime factorization of 74
74 = 2 x 37
Step 2: Find the prime factorization of 77
77 = 7 x 11
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 74 and 77 is 1