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 1545, 1547 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1545 and 1547 is 1.
GCF(1545,1547) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1545
3 | 1545 |
5 | 515 |
103 | 103 |
1 |
Prime factors of 1545 are 3,5,103. Prime factorization of 1545 in exponential form is:
1545 = 31×51×1031
Prime Factorization of 1547
7 | 1547 |
13 | 221 |
17 | 17 |
1 |
Prime factors of 1547 are 7,13,17. Prime factorization of 1547 in exponential form is:
1547 = 71×131×171
∴ So by taking common prime factors GCF of 1545 and 1547 is 1
Factors of 1545
List of positive integer factors of 1545 that divides 1545 without a remainder.
1,3,5,15,103,309,515,1545
Factors of 1547
List of positive integer factors of 1547 that divides 1547 without a remainder.
1,7,13,17,91,119,221,1547
Greatest Common Factor
We found the factors and prime factorization of 1545 and 1547. The biggest common factor number is the GCF number.
So the greatest common factor 1545 and 1547 is 1.
Also check out the Least Common Multiple of 1545 and 1547
(i) The GCF of 1545 and 1547 is associative
GCF of 1545 and 1547 = GCF of 1547 and 1545
1. What is the GCF of 1545 and 1547?
Answer: GCF of 1545 and 1547 is 1.
2. What are the Factors of 1545?
Answer: Factors of 1545 are 1, 3, 5, 15, 103, 309, 515, 1545. There are 8 integers that are factors of 1545. The greatest factor of 1545 is 1545.
3. What are the Factors of 1547?
Answer: Factors of 1547 are 1, 7, 13, 17, 91, 119, 221, 1547. There are 8 integers that are factors of 1547. The greatest factor of 1547 is 1547.
4. How to Find the GCF of 1545 and 1547?
Answer:
Greatest Common Factor of 1545 and 1547 = 1
Step 1: Find the prime factorization of 1545
1545 = 3 x 5 x 103
Step 2: Find the prime factorization of 1547
1547 = 7 x 13 x 17
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 1545 and 1547 is 1