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What is the Greatest Common Factor of 19993 and 20010?

Greatest common factor (GCF) of 19993 and 20010 is 1.

GCF(19993,20010) = 1

We will now calculate the prime factors of 19993 and 20010, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19993 and 20010.

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How to find the GCF of 19993 and 20010?

We will first find the prime factorization of 19993 and 20010. After we will calculate the factors of 19993 and 20010 and find the biggest common factor number .

Step-1: Prime Factorization of 19993

Prime factors of 19993 are 19993. Prime factorization of 19993 in exponential form is:

19993 = 199931

Step-2: Prime Factorization of 20010

Prime factors of 20010 are 2, 3, 5, 23, 29. Prime factorization of 20010 in exponential form is:

20010 = 21 × 31 × 51 × 231 × 291

Step-3: Factors of 19993

List of positive integer factors of 19993 that divides 19993 without a remainder.

1

Step-4: Factors of 20010

List of positive integer factors of 20010 that divides 19993 without a remainder.

1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 115, 138, 145, 174, 230, 290, 345, 435, 667, 690, 870, 1334, 2001, 3335, 4002, 6670, 10005

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19993 and 20010. The biggest common factor number is the GCF number.
So the greatest common factor 19993 and 20010 is 1.

Also check out the Least Common Multiple of 19993 and 20010