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 553, 557 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 553 and 557 is 1.
GCF(553,557) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 553
7 | 553 |
79 | 79 |
1 |
Prime factors of 553 are 7,79. Prime factorization of 553 in exponential form is:
553 = 71×791
Prime Factorization of 557
557 | 557 |
1 |
Prime factors of 557 are 557. Prime factorization of 557 in exponential form is:
557 = 5571
∴ So by taking common prime factors GCF of 553 and 557 is 1
Factors of 553
List of positive integer factors of 553 that divides 553 without a remainder.
1,7,79,553
Factors of 557
List of positive integer factors of 557 that divides 557 without a remainder.
1,557
Greatest Common Factor
We found the factors and prime factorization of 553 and 557. The biggest common factor number is the GCF number.
So the greatest common factor 553 and 557 is 1.
Also check out the Least Common Multiple of 553 and 557
(i) The GCF of 553 and 557 is associative
GCF of 553 and 557 = GCF of 557 and 553
1. What is the GCF of 553 and 557?
Answer: GCF of 553 and 557 is 1.
2. What are the Factors of 553?
Answer: Factors of 553 are 1, 7, 79, 553. There are 4 integers that are factors of 553. The greatest factor of 553 is 553.
3. 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.
4. How to Find the GCF of 553 and 557?
Answer:
Greatest Common Factor of 553 and 557 = 1
Step 1: Find the prime factorization of 553
553 = 7 x 79
Step 2: Find the prime factorization of 557
557 = 557
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 553 and 557 is 1