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 1861, 1862 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1861 and 1862 is 1.
GCF(1861,1862) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1861
1861 | 1861 |
1 |
Prime factors of 1861 are 1861. Prime factorization of 1861 in exponential form is:
1861 = 18611
Prime Factorization of 1862
2 | 1862 |
7 | 931 |
7 | 133 |
19 | 19 |
1 |
Prime factors of 1862 are 2.Prime factorization of 1862 in exponential form is:
1862 = 21×72×191
∴ So by taking common prime factors GCF of 1861 and 1862 is 1
Factors of 1861
List of positive integer factors of 1861 that divides 1861 without a remainder.
1,1861
Factors of 1862
List of positive integer factors of 1862 that divides 1862 without a remainder.
1,2,7,14,19,38,49,98,133,266,931,1862
Greatest Common Factor
We found the factors and prime factorization of 1861 and 1862. The biggest common factor number is the GCF number.
So the greatest common factor 1861 and 1862 is 1.
Also check out the Least Common Multiple of 1861 and 1862
(i) The GCF of 1861 and 1862 is associative
GCF of 1861 and 1862 = GCF of 1862 and 1861
1. What is the GCF of 1861 and 1862?
Answer: GCF of 1861 and 1862 is 1.
2. What are the Factors of 1861?
Answer: Factors of 1861 are 1, 1861. There are 2 integers that are factors of 1861. The greatest factor of 1861 is 1861.
3. What are the Factors of 1862?
Answer: Factors of 1862 are 1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862. There are 12 integers that are factors of 1862. The greatest factor of 1862 is 1862.
4. How to Find the GCF of 1861 and 1862?
Answer:
Greatest Common Factor of 1861 and 1862 = 1
Step 1: Find the prime factorization of 1861
1861 = 1861
Step 2: Find the prime factorization of 1862
1862 = 2 x 7 x 7 x 19
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 1861 and 1862 is 1