GCF of 161 and 990

What is the GCF of 161 and 990?


GCF of 161 and 990

is 1

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What is the Greatest Common Factor of 161 and 990? The greatest common factor (GCF) of a set of numbers is the largest positive integer that divides each of the numbers evenly. It's also called the greatest common divisor (GCD).

The GCF can be found using a variety of methods, including prime factorization and division. The Euclidean algorithm is a commonly used method for finding the GCF of two numbers, and it can be extended to finding the GCF of more than two numbers.

To find GCF (Greatest Common Factor) between two numbers, mainly there are two methods available, Those are-

1. Prime Factorization Method: Find the prime factors of both number and then multiply of all the common prime factors value, you will get the GCF value.

2. Factors Method: Find the factors of both number. In those both factors the highest common factor number is the GCF value.

For calculation, here's how to calculate GCF of 161 and 990 using those formula above, step by step instructions are given below

Prime Factorization Method:

  1. Find the prime factors of the first number 161.
    7, 23
  2. Find the prime factors of the second number 990.
    2, 3, 3, 5, 11
  3. If, There are no common prime factors then the GCF value will be
    1

Factors Method:

  1. Find the factors of the first number 161.
    1, 7, 23, 161
  2. Find the factors of the second number 990.
    1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990
  3. The biggest common factor number is the GCF value. Which is,
    1

GCF (Greatest Common Factor) of 161 and 990 is 1.

GCD (Greatest Common Divisor) of 161 and 990 is 1.

HCF (Highest Common Factor) of 161 and 990 is 1.

Number GCF LCM
161 & 985 1 158585
161 & 986 1 158746
161 & 987 7 22701
161 & 988 1 159068
161 & 989 23 6923
161 & 990 1 159390
161 & 991 1 159551
161 & 992 1 159712
161 & 993 1 159873
161 & 994 7 22862
161 & 995 1 160195