What is the Greatest Common Factor of 470 and 489?
Greatest common factor (GCF) of 470 and 489 is 1.
GCF(470,489) = 1
We will now calculate the prime factors of 470 and 489, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 470 and 489.
How to find the GCF of 470 and 489?
We will first find the prime factorization of 470 and 489. After we will calculate the factors of 470 and 489 and find the biggest common factor number .
Step-1: 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-2: Prime Factorization of 489
Prime factors of 489 are 3, 163. Prime factorization of 489 in exponential form is:
489 = 31 × 1631
Step-3: Factors of 470
List of positive integer factors of 470 that divides 470 without a remainder.
1, 2, 5, 10, 47, 94, 235
Step-4: Factors of 489
List of positive integer factors of 489 that divides 470 without a remainder.
1, 3, 163
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 470 and 489. The biggest common factor number is the GCF number.
So the greatest common factor 470 and 489 is 1.
Also check out the Least Common Multiple of 470 and 489
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