What is the Greatest Common Factor of 745 and 749?
Greatest common factor (GCF) of 745 and 749 is 1.
GCF(745,749) = 1
We will now calculate the prime factors of 745 and 749, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 745 and 749.
How to find the GCF of 745 and 749?
We will first find the prime factorization of 745 and 749. After we will calculate the factors of 745 and 749 and find the biggest common factor number .
Step-1: Prime Factorization of 745
Prime factors of 745 are 5, 149. Prime factorization of 745 in exponential form is:
745 = 51 × 1491
Step-2: Prime Factorization of 749
Prime factors of 749 are 7, 107. Prime factorization of 749 in exponential form is:
749 = 71 × 1071
Step-3: Factors of 745
List of positive integer factors of 745 that divides 745 without a remainder.
1, 5, 149
Step-4: Factors of 749
List of positive integer factors of 749 that divides 745 without a remainder.
1, 7, 107
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 745 and 749. The biggest common factor number is the GCF number.
So the greatest common factor 745 and 749 is 1.
Also check out the Least Common Multiple of 745 and 749
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Related Greatest Common Factors of 749
- GCF of 749 and 753
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