What is the Greatest Common Factor of 1406 and 1425?
Greatest common factor (GCF) of 1406 and 1425 is 19.
GCF(1406,1425) = 19
We will now calculate the prime factors of 1406 and 1425, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1406 and 1425.
How to find the GCF of 1406 and 1425?
We will first find the prime factorization of 1406 and 1425. After we will calculate the factors of 1406 and 1425 and find the biggest common factor number .
Step-1: Prime Factorization of 1406
Prime factors of 1406 are 2, 19, 37. Prime factorization of 1406 in exponential form is:
1406 = 21 × 191 × 371
Step-2: Prime Factorization of 1425
Prime factors of 1425 are 3, 5, 19. Prime factorization of 1425 in exponential form is:
1425 = 31 × 52 × 191
Step-3: Factors of 1406
List of positive integer factors of 1406 that divides 1406 without a remainder.
1, 2, 19, 37, 38, 74, 703
Step-4: Factors of 1425
List of positive integer factors of 1425 that divides 1406 without a remainder.
1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 1406 and 1425. The biggest common factor number is the GCF number.
So the greatest common factor 1406 and 1425 is 19.
Also check out the Least Common Multiple of 1406 and 1425
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