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 740, 742 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 740 and 742 is 2.
GCF(740,742) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 740
2 | 740 |
2 | 370 |
5 | 185 |
37 | 37 |
1 |
Prime factors of 740 are 2,5,37. Prime factorization of 740 in exponential form is:
740 = 22×51×371
Prime Factorization of 742
2 | 742 |
7 | 371 |
53 | 53 |
1 |
Prime factors of 742 are 2,7,53. Prime factorization of 742 in exponential form is:
742 = 21×71×531
∴ So by taking common prime factors GCF of 740 and 742 is 2
Factors of 740
List of positive integer factors of 740 that divides 740 without a remainder.
1,2,4,5,10,20,37,74,148,185,370,740
Factors of 742
List of positive integer factors of 742 that divides 742 without a remainder.
1,2,7,14,53,106,371,742
Greatest Common Factor
We found the factors and prime factorization of 740 and 742. The biggest common factor number is the GCF number.
So the greatest common factor 740 and 742 is 2.
Also check out the Least Common Multiple of 740 and 742
(i) The GCF of 740 and 742 is associative
GCF of 740 and 742 = GCF of 742 and 740
1. What is the GCF of 740 and 742?
Answer: GCF of 740 and 742 is 2.
2. What are the Factors of 740?
Answer: Factors of 740 are 1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740. There are 12 integers that are factors of 740. The greatest factor of 740 is 740.
3. What are the Factors of 742?
Answer: Factors of 742 are 1, 2, 7, 14, 53, 106, 371, 742. There are 8 integers that are factors of 742. The greatest factor of 742 is 742.
4. How to Find the GCF of 740 and 742?
Answer:
Greatest Common Factor of 740 and 742 = 2
Step 1: Find the prime factorization of 740
740 = 2 x 2 x 5 x 37
Step 2: Find the prime factorization of 742
742 = 2 x 7 x 53
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 740 and 742 is 2