What is the Greatest Common Factor of 421 and 425?
Greatest common factor (GCF) of 421 and 425 is 1.
GCF(421,425) = 1
We will now calculate the prime factors of 421 and 425, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 421 and 425.
How to find the GCF of 421 and 425?
We will first find the prime factorization of 421 and 425. After we will calculate the factors of 421 and 425 and find the biggest common factor number .
Step-1: Prime Factorization of 421
Prime factors of 421 are 421. Prime factorization of 421 in exponential form is:
421 = 4211
Step-2: Prime Factorization of 425
Prime factors of 425 are 5, 17. Prime factorization of 425 in exponential form is:
425 = 52 × 171
Step-3: Factors of 421
List of positive integer factors of 421 that divides 421 without a remainder.
1
Step-4: Factors of 425
List of positive integer factors of 425 that divides 421 without a remainder.
1, 5, 17, 25, 85
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 421 and 425. The biggest common factor number is the GCF number.
So the greatest common factor 421 and 425 is 1.
Also check out the Least Common Multiple of 421 and 425
Related Greatest Common Factors of 421
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Related Greatest Common Factors of 425
- GCF of 425 and 429
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