Greatest Common Factor of 53 and 55

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

• Greatest Common Factor of 53 and 55 by prime factorization method
• Greatest Common Factor of 53 and 55 by matching factors method

Prime Factorization of 53

Prime factors of 53 are 53. Prime factorization of 53 in exponential form is:

53 = 53¹

Prime Factorization of 55

Prime factors of 55 are 5.Prime factorization of 55 in exponential form is:

55 = 5¹×11¹

∴ So by taking common prime factors GCF of 53 and 55 is 1

Factors of 53

List of positive integer factors of 53 that divides 53 without a remainder.

1,53

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Greatest Common Factor

We found the factors and prime factorization of 53 and 55. The biggest common factor number is the GCF number.
So the greatest common factor 53 and 55 is 1.

Also check out the Least Common Multiple of 53 and 55

(i) The GCF of 53 and 55 is associative

GCF of 53 and 55 = GCF of 55 and 53

1. What is the GCF of 53 and 55?

Answer: GCF of 53 and 55 is 1.

2. What are the Factors of 53?

Answer: Factors of 53 are 1, 53. There are 2 integers that are factors of 53. The greatest factor of 53 is 53.

3. What are the Factors of 55?

Answer: Factors of 55 are 1, 5, 11, 55. There are 4 integers that are factors of 55. The greatest factor of 55 is 55.

4. How to Find the GCF of 53 and 55?

Answer:

Greatest Common Factor of 53 and 55 = 1

Step 1: Find the prime factorization of 53

53 = 53

Step 2: Find the prime factorization of 55

55 = 5 x 11

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 53 and 55 is 1