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 546, 553 i.e. 7 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 546 and 553 is 7.
GCF(546,553) = 7
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 546
2 | 546 |
3 | 273 |
7 | 91 |
13 | 13 |
1 |
Prime factors of 546 are 2,3,7,13. Prime factorization of 546 in exponential form is:
546 = 21×31×71×131
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
∴ So by taking common prime factors GCF of 546 and 553 is 7
Factors of 546
List of positive integer factors of 546 that divides 546 without a remainder.
1,2,3,6,7,13,14,21,26,39,42,78,91,182,273,546
Factors of 553
List of positive integer factors of 553 that divides 553 without a remainder.
1,7,79,553
Greatest Common Factor
We found the factors and prime factorization of 546 and 553. The biggest common factor number is the GCF number.
So the greatest common factor 546 and 553 is 7.
Also check out the Least Common Multiple of 546 and 553
(i) The GCF of 546 and 553 is associative
GCF of 546 and 553 = GCF of 553 and 546
1. What is the GCF of 546 and 553?
Answer: GCF of 546 and 553 is 7.
2. What are the Factors of 546?
Answer: Factors of 546 are 1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546. There are 16 integers that are factors of 546. The greatest factor of 546 is 546.
3. 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.
4. How to Find the GCF of 546 and 553?
Answer:
Greatest Common Factor of 546 and 553 = 7
Step 1: Find the prime factorization of 546
546 = 2 x 3 x 7 x 13
Step 2: Find the prime factorization of 553
553 = 7 x 79
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 546 and 553 is 7