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 618, 623 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 618 and 623 is 1.
GCF(618,623) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 618
2 | 618 |
3 | 309 |
103 | 103 |
1 |
Prime factors of 618 are 2,3,103. Prime factorization of 618 in exponential form is:
618 = 21×31×1031
Prime Factorization of 623
7 | 623 |
89 | 89 |
1 |
Prime factors of 623 are 7,89. Prime factorization of 623 in exponential form is:
623 = 71×891
∴ So by taking common prime factors GCF of 618 and 623 is 1
Factors of 618
List of positive integer factors of 618 that divides 618 without a remainder.
1,2,3,6,103,206,309,618
Factors of 623
List of positive integer factors of 623 that divides 623 without a remainder.
1,7,89,623
Greatest Common Factor
We found the factors and prime factorization of 618 and 623. The biggest common factor number is the GCF number.
So the greatest common factor 618 and 623 is 1.
Also check out the Least Common Multiple of 618 and 623
(i) The GCF of 618 and 623 is associative
GCF of 618 and 623 = GCF of 623 and 618
1. What is the GCF of 618 and 623?
Answer: GCF of 618 and 623 is 1.
2. What are the Factors of 618?
Answer: Factors of 618 are 1, 2, 3, 6, 103, 206, 309, 618. There are 8 integers that are factors of 618. The greatest factor of 618 is 618.
3. What are the Factors of 623?
Answer: Factors of 623 are 1, 7, 89, 623. There are 4 integers that are factors of 623. The greatest factor of 623 is 623.
4. How to Find the GCF of 618 and 623?
Answer:
Greatest Common Factor of 618 and 623 = 1
Step 1: Find the prime factorization of 618
618 = 2 x 3 x 103
Step 2: Find the prime factorization of 623
623 = 7 x 89
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 618 and 623 is 1