What is the Greatest Common Factor of 240 and 260?
Greatest common factor (GCF) of 240 and 260 is 20.
GCF(240,260) = 20
We will now calculate the prime factors of 240 and 260, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 240 and 260.
How to find the GCF of 240 and 260?
We will first find the prime factorization of 240 and 260. After we will calculate the factors of 240 and 260 and find the biggest common factor number .
Step-1: Prime Factorization of 240
Prime factors of 240 are 2, 3, 5. Prime factorization of 240 in exponential form is:
240 = 24 × 31 × 51
Step-2: Prime Factorization of 260
Prime factors of 260 are 2, 5, 13. Prime factorization of 260 in exponential form is:
260 = 22 × 51 × 131
Step-3: Factors of 240
List of positive integer factors of 240 that divides 240 without a remainder.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120
Step-4: Factors of 260
List of positive integer factors of 260 that divides 240 without a remainder.
1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 240 and 260. The biggest common factor number is the GCF number.
So the greatest common factor 240 and 260 is 20.
Also check out the Least Common Multiple of 240 and 260
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