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 61, 64 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 61 and 64 is 1.
GCF(61,64) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 61
61 | 61 |
1 |
Prime factors of 61 are 61. Prime factorization of 61 in exponential form is:
61 = 611
Prime Factorization of 64
2 | 64 |
2 | 32 |
2 | 16 |
2 | 8 |
2 | 4 |
2 | 2 |
1 |
Prime factors of 64 are 2.Prime factorization of 64 in exponential form is:
64 = 26
∴ So by taking common prime factors GCF of 61 and 64 is 1
Factors of 61
List of positive integer factors of 61 that divides 61 without a remainder.
1,61
Factors of 64
List of positive integer factors of 64 that divides 64 without a remainder.
1,2,4,8,16,32,64
Greatest Common Factor
We found the factors and prime factorization of 61 and 64. The biggest common factor number is the GCF number.
So the greatest common factor 61 and 64 is 1.
Also check out the Least Common Multiple of 61 and 64
(i) The GCF of 61 and 64 is associative
GCF of 61 and 64 = GCF of 64 and 61
1. What is the GCF of 61 and 64?
Answer: GCF of 61 and 64 is 1.
2. What are the Factors of 61?
Answer: Factors of 61 are 1, 61. There are 2 integers that are factors of 61. The greatest factor of 61 is 61.
3. What are the Factors of 64?
Answer: Factors of 64 are 1, 2, 4, 8, 16, 32, 64. There are 7 integers that are factors of 64. The greatest factor of 64 is 64.
4. How to Find the GCF of 61 and 64?
Answer:
Greatest Common Factor of 61 and 64 = 1
Step 1: Find the prime factorization of 61
61 = 61
Step 2: Find the prime factorization of 64
64 = 2 x 2 x 2 x 2 x 2 x 2
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 61 and 64 is 1