What is the Greatest Common Factor of 190 and 200?
Greatest common factor (GCF) of 190 and 200 is 10.
GCF(190,200) = 10
We will now calculate the prime factors of 190 and 200, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 190 and 200.
How to find the GCF of 190 and 200?
We will first find the prime factorization of 190 and 200. After we will calculate the factors of 190 and 200 and find the biggest common factor number .
Step-1: Prime Factorization of 190
Prime factors of 190 are 2, 5, 19. Prime factorization of 190 in exponential form is:
190 = 21 × 51 × 191
Step-2: Prime Factorization of 200
Prime factors of 200 are 2, 5. Prime factorization of 200 in exponential form is:
200 = 23 × 52
Step-3: Factors of 190
List of positive integer factors of 190 that divides 190 without a remainder.
1, 2, 5, 10, 19, 38, 95
Step-4: Factors of 200
List of positive integer factors of 200 that divides 190 without a remainder.
1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 190 and 200. The biggest common factor number is the GCF number.
So the greatest common factor 190 and 200 is 10.
Also check out the Least Common Multiple of 190 and 200
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