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 7894, 7900 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7894 and 7900 is 2.
GCF(7894,7900) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7894
2 | 7894 |
3947 | 3947 |
1 |
Prime factors of 7894 are 2,3947. Prime factorization of 7894 in exponential form is:
7894 = 21×39471
Prime Factorization of 7900
2 | 7900 |
2 | 3950 |
5 | 1975 |
5 | 395 |
79 | 79 |
1 |
Prime factors of 7900 are 2,5,79. Prime factorization of 7900 in exponential form is:
7900 = 22×52×791
∴ So by taking common prime factors GCF of 7894 and 7900 is 2
Factors of 7894
List of positive integer factors of 7894 that divides 7894 without a remainder.
1,2,3947,7894
Factors of 7900
List of positive integer factors of 7900 that divides 7900 without a remainder.
1,2,4,5,10,20,25,50,79,100,158,316,395,790,1580,1975,3950,7900
Greatest Common Factor
We found the factors and prime factorization of 7894 and 7900. The biggest common factor number is the GCF number.
So the greatest common factor 7894 and 7900 is 2.
Also check out the Least Common Multiple of 7894 and 7900
(i) The GCF of 7894 and 7900 is associative
GCF of 7894 and 7900 = GCF of 7900 and 7894
1. What is the GCF of 7894 and 7900?
Answer: GCF of 7894 and 7900 is 2.
2. What are the Factors of 7894?
Answer: Factors of 7894 are 1, 2, 3947, 7894. There are 4 integers that are factors of 7894. The greatest factor of 7894 is 7894.
3. What are the Factors of 7900?
Answer: Factors of 7900 are 1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900. There are 18 integers that are factors of 7900. The greatest factor of 7900 is 7900.
4. How to Find the GCF of 7894 and 7900?
Answer:
Greatest Common Factor of 7894 and 7900 = 2
Step 1: Find the prime factorization of 7894
7894 = 2 x 3947
Step 2: Find the prime factorization of 7900
7900 = 2 x 2 x 5 x 5 x 79
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 7894 and 7900 is 2