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 67, 70 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 67 and 70 is 1.
GCF(67,70) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 67
67 | 67 |
1 |
Prime factors of 67 are 67. Prime factorization of 67 in exponential form is:
67 = 671
Prime Factorization of 70
2 | 70 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 70 are 2.Prime factorization of 70 in exponential form is:
70 = 21×51×71
∴ So by taking common prime factors GCF of 67 and 70 is 1
Factors of 67
List of positive integer factors of 67 that divides 67 without a remainder.
1,67
Factors of 70
List of positive integer factors of 70 that divides 70 without a remainder.
1,2,5,7,10,14,35,70
Greatest Common Factor
We found the factors and prime factorization of 67 and 70. The biggest common factor number is the GCF number.
So the greatest common factor 67 and 70 is 1.
Also check out the Least Common Multiple of 67 and 70
(i) The GCF of 67 and 70 is associative
GCF of 67 and 70 = GCF of 70 and 67
1. What is the GCF of 67 and 70?
Answer: GCF of 67 and 70 is 1.
2. What are the Factors of 67?
Answer: Factors of 67 are 1, 67. There are 2 integers that are factors of 67. The greatest factor of 67 is 67.
3. What are the Factors of 70?
Answer: Factors of 70 are 1, 2, 5, 7, 10, 14, 35, 70. There are 8 integers that are factors of 70. The greatest factor of 70 is 70.
4. How to Find the GCF of 67 and 70?
Answer:
Greatest Common Factor of 67 and 70 = 1
Step 1: Find the prime factorization of 67
67 = 67
Step 2: Find the prime factorization of 70
70 = 2 x 5 x 7
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 67 and 70 is 1