What is the Greatest Common Factor of 450 and 470?
Greatest common factor (GCF) of 450 and 470 is 10.
GCF(450,470) = 10
We will now calculate the prime factors of 450 and 470, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 450 and 470.
How to find the GCF of 450 and 470?
We will first find the prime factorization of 450 and 470. After we will calculate the factors of 450 and 470 and find the biggest common factor number .
Step-1: Prime Factorization of 450
Prime factors of 450 are 2, 3, 5. Prime factorization of 450 in exponential form is:
450 = 21 × 32 × 52
Step-2: Prime Factorization of 470
Prime factors of 470 are 2, 5, 47. Prime factorization of 470 in exponential form is:
470 = 21 × 51 × 471
Step-3: Factors of 450
List of positive integer factors of 450 that divides 450 without a remainder.
1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225
Step-4: Factors of 470
List of positive integer factors of 470 that divides 450 without a remainder.
1, 2, 5, 10, 47, 94, 235
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 450 and 470. The biggest common factor number is the GCF number.
So the greatest common factor 450 and 470 is 10.
Also check out the Least Common Multiple of 450 and 470
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