What is the Greatest Common Factor of 715 and 730?
Greatest common factor (GCF) of 715 and 730 is 5.
GCF(715,730) = 5
We will now calculate the prime factors of 715 and 730, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 715 and 730.
How to find the GCF of 715 and 730?
We will first find the prime factorization of 715 and 730. After we will calculate the factors of 715 and 730 and find the biggest common factor number .
Step-1: Prime Factorization of 715
Prime factors of 715 are 5, 11, 13. Prime factorization of 715 in exponential form is:
715 = 51 × 111 × 131
Step-2: Prime Factorization of 730
Prime factors of 730 are 2, 5, 73. Prime factorization of 730 in exponential form is:
730 = 21 × 51 × 731
Step-3: Factors of 715
List of positive integer factors of 715 that divides 715 without a remainder.
1, 5, 11, 13, 55, 65, 143
Step-4: Factors of 730
List of positive integer factors of 730 that divides 715 without a remainder.
1, 2, 5, 10, 73, 146, 365
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 715 and 730. The biggest common factor number is the GCF number.
So the greatest common factor 715 and 730 is 5.
Also check out the Least Common Multiple of 715 and 730
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