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 1542, 1543 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1542 and 1543 is 1.
GCF(1542,1543) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1542
2 | 1542 |
3 | 771 |
257 | 257 |
1 |
Prime factors of 1542 are 2,3,257. Prime factorization of 1542 in exponential form is:
1542 = 21×31×2571
Prime Factorization of 1543
1543 | 1543 |
1 |
Prime factors of 1543 are 1543. Prime factorization of 1543 in exponential form is:
1543 = 15431
∴ So by taking common prime factors GCF of 1542 and 1543 is 1
Factors of 1542
List of positive integer factors of 1542 that divides 1542 without a remainder.
1,2,3,6,257,514,771,1542
Factors of 1543
List of positive integer factors of 1543 that divides 1543 without a remainder.
1,1543
Greatest Common Factor
We found the factors and prime factorization of 1542 and 1543. The biggest common factor number is the GCF number.
So the greatest common factor 1542 and 1543 is 1.
Also check out the Least Common Multiple of 1542 and 1543
(i) The GCF of 1542 and 1543 is associative
GCF of 1542 and 1543 = GCF of 1543 and 1542
1. What is the GCF of 1542 and 1543?
Answer: GCF of 1542 and 1543 is 1.
2. What are the Factors of 1542?
Answer: Factors of 1542 are 1, 2, 3, 6, 257, 514, 771, 1542. There are 8 integers that are factors of 1542. The greatest factor of 1542 is 1542.
3. What are the Factors of 1543?
Answer: Factors of 1543 are 1, 1543. There are 2 integers that are factors of 1543. The greatest factor of 1543 is 1543.
4. How to Find the GCF of 1542 and 1543?
Answer:
Greatest Common Factor of 1542 and 1543 = 1
Step 1: Find the prime factorization of 1542
1542 = 2 x 3 x 257
Step 2: Find the prime factorization of 1543
1543 = 1543
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 1542 and 1543 is 1