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 3898, 3905 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 3898 and 3905 is 1.
GCF(3898,3905) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 3898
2 | 3898 |
1949 | 1949 |
1 |
Prime factors of 3898 are 2,1949. Prime factorization of 3898 in exponential form is:
3898 = 21×19491
Prime Factorization of 3905
5 | 3905 |
11 | 781 |
71 | 71 |
1 |
Prime factors of 3905 are 5,11,71. Prime factorization of 3905 in exponential form is:
3905 = 51×111×711
∴ So by taking common prime factors GCF of 3898 and 3905 is 1
Factors of 3898
List of positive integer factors of 3898 that divides 3898 without a remainder.
1,2,1949,3898
Factors of 3905
List of positive integer factors of 3905 that divides 3905 without a remainder.
1,5,11,55,71,355,781,3905
Greatest Common Factor
We found the factors and prime factorization of 3898 and 3905. The biggest common factor number is the GCF number.
So the greatest common factor 3898 and 3905 is 1.
Also check out the Least Common Multiple of 3898 and 3905
(i) The GCF of 3898 and 3905 is associative
GCF of 3898 and 3905 = GCF of 3905 and 3898
1. What is the GCF of 3898 and 3905?
Answer: GCF of 3898 and 3905 is 1.
2. What are the Factors of 3898?
Answer: Factors of 3898 are 1, 2, 1949, 3898. There are 4 integers that are factors of 3898. The greatest factor of 3898 is 3898.
3. What are the Factors of 3905?
Answer: Factors of 3905 are 1, 5, 11, 55, 71, 355, 781, 3905. There are 8 integers that are factors of 3905. The greatest factor of 3905 is 3905.
4. How to Find the GCF of 3898 and 3905?
Answer:
Greatest Common Factor of 3898 and 3905 = 1
Step 1: Find the prime factorization of 3898
3898 = 2 x 1949
Step 2: Find the prime factorization of 3905
3905 = 5 x 11 x 71
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 3898 and 3905 is 1