What is the Greatest Common Factor of 740 and 748?
Greatest common factor (GCF) of 740 and 748 is 4.
GCF(740,748) = 4
We will now calculate the prime factors of 740 and 748, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 740 and 748.
How to find the GCF of 740 and 748?
We will first find the prime factorization of 740 and 748. After we will calculate the factors of 740 and 748 and find the biggest common factor number .
Step-1: Prime Factorization of 740
Prime factors of 740 are 2, 5, 37. Prime factorization of 740 in exponential form is:
740 = 22 × 51 × 371
Step-2: Prime Factorization of 748
Prime factors of 748 are 2, 11, 17. Prime factorization of 748 in exponential form is:
748 = 22 × 111 × 171
Step-3: 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
Step-4: Factors of 748
List of positive integer factors of 748 that divides 740 without a remainder.
1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 740 and 748. The biggest common factor number is the GCF number.
So the greatest common factor 740 and 748 is 4.
Also check out the Least Common Multiple of 740 and 748
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