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 857, 864 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 857 and 864 is 1.
GCF(857,864) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 857
857 | 857 |
1 |
Prime factors of 857 are 857. Prime factorization of 857 in exponential form is:
857 = 8571
Prime Factorization of 864
2 | 864 |
2 | 432 |
2 | 216 |
2 | 108 |
2 | 54 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 864 are 2.Prime factorization of 864 in exponential form is:
864 = 25×33
∴ So by taking common prime factors GCF of 857 and 864 is 1
Factors of 857
List of positive integer factors of 857 that divides 857 without a remainder.
1,857
Factors of 864
List of positive integer factors of 864 that divides 864 without a remainder.
1,2,3,4,6,8,9,12,16,18,24,27,32,36,48,54,72,96,108,144,216,288,432,864
Greatest Common Factor
We found the factors and prime factorization of 857 and 864. The biggest common factor number is the GCF number.
So the greatest common factor 857 and 864 is 1.
Also check out the Least Common Multiple of 857 and 864
(i) The GCF of 857 and 864 is associative
GCF of 857 and 864 = GCF of 864 and 857
1. What is the GCF of 857 and 864?
Answer: GCF of 857 and 864 is 1.
2. What are the Factors of 857?
Answer: Factors of 857 are 1, 857. There are 2 integers that are factors of 857. The greatest factor of 857 is 857.
3. What are the Factors of 864?
Answer: Factors of 864 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864. There are 24 integers that are factors of 864. The greatest factor of 864 is 864.
4. How to Find the GCF of 857 and 864?
Answer:
Greatest Common Factor of 857 and 864 = 1
Step 1: Find the prime factorization of 857
857 = 857
Step 2: Find the prime factorization of 864
864 = 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3
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 857 and 864 is 1