What is the Greatest Common Factor of 987 and 1000?
Greatest common factor (GCF) of 987 and 1000 is 1.
GCF(987,1000) = 1
We will now calculate the prime factors of 987 and 1000, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 987 and 1000.
How to find the GCF of 987 and 1000?
We will first find the prime factorization of 987 and 1000. After we will calculate the factors of 987 and 1000 and find the biggest common factor number .
Step-1: Prime Factorization of 987
Prime factors of 987 are 3, 7, 47. Prime factorization of 987 in exponential form is:
987 = 31 × 71 × 471
Step-2: Prime Factorization of 1000
Prime factors of 1000 are 2, 5. Prime factorization of 1000 in exponential form is:
1000 = 23 × 53
Step-3: Factors of 987
List of positive integer factors of 987 that divides 987 without a remainder.
1, 3, 7, 21, 47, 141, 329
Step-4: Factors of 1000
List of positive integer factors of 1000 that divides 987 without a remainder.
1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 987 and 1000. The biggest common factor number is the GCF number.
So the greatest common factor 987 and 1000 is 1.
Also check out the Least Common Multiple of 987 and 1000
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