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, 556 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 553 and 556 is 1.
GCF(553,556) = 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 556
2 | 556 |
2 | 278 |
139 | 139 |
1 |
Prime factors of 556 are 2,139. Prime factorization of 556 in exponential form is:
556 = 22×1391
∴ So by taking common prime factors GCF of 553 and 556 is 1
Factors of 553
List of positive integer factors of 553 that divides 553 without a remainder.
1,7,79,553
Factors of 556
List of positive integer factors of 556 that divides 556 without a remainder.
1,2,4,139,278,556
Greatest Common Factor
We found the factors and prime factorization of 553 and 556. The biggest common factor number is the GCF number.
So the greatest common factor 553 and 556 is 1.
Also check out the Least Common Multiple of 553 and 556
(i) The GCF of 553 and 556 is associative
GCF of 553 and 556 = GCF of 556 and 553
1. What is the GCF of 553 and 556?
Answer: GCF of 553 and 556 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 556?
Answer: Factors of 556 are 1, 2, 4, 139, 278, 556. There are 6 integers that are factors of 556. The greatest factor of 556 is 556.
4. How to Find the GCF of 553 and 556?
Answer:
Greatest Common Factor of 553 and 556 = 1
Step 1: Find the prime factorization of 553
553 = 7 x 79
Step 2: Find the prime factorization of 556
556 = 2 x 2 x 139
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 556 is 1