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 427, 434 i.e. 7 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 427 and 434 is 7.
GCF(427,434) = 7
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 427
7 | 427 |
61 | 61 |
1 |
Prime factors of 427 are 7,61. Prime factorization of 427 in exponential form is:
427 = 71×611
Prime Factorization of 434
2 | 434 |
7 | 217 |
31 | 31 |
1 |
Prime factors of 434 are 2,7,31. Prime factorization of 434 in exponential form is:
434 = 21×71×311
∴ So by taking common prime factors GCF of 427 and 434 is 7
Factors of 427
List of positive integer factors of 427 that divides 427 without a remainder.
1,7,61,427
Factors of 434
List of positive integer factors of 434 that divides 434 without a remainder.
1,2,7,14,31,62,217,434
Greatest Common Factor
We found the factors and prime factorization of 427 and 434. The biggest common factor number is the GCF number.
So the greatest common factor 427 and 434 is 7.
Also check out the Least Common Multiple of 427 and 434
(i) The GCF of 427 and 434 is associative
GCF of 427 and 434 = GCF of 434 and 427
1. What is the GCF of 427 and 434?
Answer: GCF of 427 and 434 is 7.
2. What are the Factors of 427?
Answer: Factors of 427 are 1, 7, 61, 427. There are 4 integers that are factors of 427. The greatest factor of 427 is 427.
3. What are the Factors of 434?
Answer: Factors of 434 are 1, 2, 7, 14, 31, 62, 217, 434. There are 8 integers that are factors of 434. The greatest factor of 434 is 434.
4. How to Find the GCF of 427 and 434?
Answer:
Greatest Common Factor of 427 and 434 = 7
Step 1: Find the prime factorization of 427
427 = 7 x 61
Step 2: Find the prime factorization of 434
434 = 2 x 7 x 31
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 7
Step 4: Therefore, the greatest common factor of 427 and 434 is 7