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 557, 558 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 557 and 558 is 1.
GCF(557,558) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 557
557 | 557 |
1 |
Prime factors of 557 are 557. Prime factorization of 557 in exponential form is:
557 = 5571
Prime Factorization of 558
2 | 558 |
3 | 279 |
3 | 93 |
31 | 31 |
1 |
Prime factors of 558 are 2.Prime factorization of 558 in exponential form is:
558 = 21×32×311
∴ So by taking common prime factors GCF of 557 and 558 is 1
Factors of 557
List of positive integer factors of 557 that divides 557 without a remainder.
1,557
Factors of 558
List of positive integer factors of 558 that divides 558 without a remainder.
1,2,3,6,9,18,31,62,93,186,279,558
Greatest Common Factor
We found the factors and prime factorization of 557 and 558. The biggest common factor number is the GCF number.
So the greatest common factor 557 and 558 is 1.
Also check out the Least Common Multiple of 557 and 558
(i) The GCF of 557 and 558 is associative
GCF of 557 and 558 = GCF of 558 and 557
1. What is the GCF of 557 and 558?
Answer: GCF of 557 and 558 is 1.
2. What are the Factors of 557?
Answer: Factors of 557 are 1, 557. There are 2 integers that are factors of 557. The greatest factor of 557 is 557.
3. What are the Factors of 558?
Answer: Factors of 558 are 1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558. There are 12 integers that are factors of 558. The greatest factor of 558 is 558.
4. How to Find the GCF of 557 and 558?
Answer:
Greatest Common Factor of 557 and 558 = 1
Step 1: Find the prime factorization of 557
557 = 557
Step 2: Find the prime factorization of 558
558 = 2 x 3 x 3 x 31
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 557 and 558 is 1