What is the Greatest Common Factor of 553 and 560?
Greatest common factor (GCF) of 553 and 560 is 7.
GCF(553,560) = 7
We will now calculate the prime factors of 553 and 560, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 553 and 560.
How to find the GCF of 553 and 560?
We will first find the prime factorization of 553 and 560. After we will calculate the factors of 553 and 560 and find the biggest common factor number .
Step-1: Prime Factorization of 553
Prime factors of 553 are 7, 79. Prime factorization of 553 in exponential form is:
553 = 71 × 791
Step-2: Prime Factorization of 560
Prime factors of 560 are 2, 5, 7. Prime factorization of 560 in exponential form is:
560 = 24 × 51 × 71
Step-3: Factors of 553
List of positive integer factors of 553 that divides 553 without a remainder.
1, 7, 79
Step-4: Factors of 560
List of positive integer factors of 560 that divides 553 without a remainder.
1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 553 and 560. The biggest common factor number is the GCF number.
So the greatest common factor 553 and 560 is 7.
Also check out the Least Common Multiple of 553 and 560
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