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 1455, 1456 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1455 and 1456 is 1.
GCF(1455,1456) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1455
3 | 1455 |
5 | 485 |
97 | 97 |
1 |
Prime factors of 1455 are 3,5,97. Prime factorization of 1455 in exponential form is:
1455 = 31×51×971
Prime Factorization of 1456
2 | 1456 |
2 | 728 |
2 | 364 |
2 | 182 |
7 | 91 |
13 | 13 |
1 |
Prime factors of 1456 are 2,7,13. Prime factorization of 1456 in exponential form is:
1456 = 24×71×131
∴ So by taking common prime factors GCF of 1455 and 1456 is 1
Factors of 1455
List of positive integer factors of 1455 that divides 1455 without a remainder.
1,3,5,15,97,291,485,1455
Factors of 1456
List of positive integer factors of 1456 that divides 1456 without a remainder.
1,2,4,7,8,13,14,16,26,28,52,56,91,104,112,182,208,364,728,1456
Greatest Common Factor
We found the factors and prime factorization of 1455 and 1456. The biggest common factor number is the GCF number.
So the greatest common factor 1455 and 1456 is 1.
Also check out the Least Common Multiple of 1455 and 1456
(i) The GCF of 1455 and 1456 is associative
GCF of 1455 and 1456 = GCF of 1456 and 1455
1. What is the GCF of 1455 and 1456?
Answer: GCF of 1455 and 1456 is 1.
2. What are the Factors of 1455?
Answer: Factors of 1455 are 1, 3, 5, 15, 97, 291, 485, 1455. There are 8 integers that are factors of 1455. The greatest factor of 1455 is 1455.
3. What are the Factors of 1456?
Answer: Factors of 1456 are 1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456. There are 20 integers that are factors of 1456. The greatest factor of 1456 is 1456.
4. How to Find the GCF of 1455 and 1456?
Answer:
Greatest Common Factor of 1455 and 1456 = 1
Step 1: Find the prime factorization of 1455
1455 = 3 x 5 x 97
Step 2: Find the prime factorization of 1456
1456 = 2 x 2 x 2 x 2 x 7 x 13
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 1455 and 1456 is 1