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The greatest common factor (GCF) of 45 and 20 is 5.Prime factors:45 = 5×3×320 = 5×2×2the only prime factor in both is 5, and so the highest common factor is 5.Alternative method:45 mod 20 = 520 mod 5 = 0so HCF = 5.
121: 11-11 132: 2-2-3-11 Great common factor: 11 Method(s) used: # (used) The method to find the greatest common factor of numbers is to find the prime factorizations of each one, select all matching prime factors, and then multiply. # An alternative method is to find all of the factors of each, and then select the greatest number that appears in each list. # The final method only applies to some numbers; if one of the number is a factor of the other, then that number is the greatest common factor. This is because all numbers are factors of themselves, and that is their greatest factor. If it is also a factor of the other number, then it is definitely the greatest common factor.
The greatest common factor of two numbers has to show up on the lists of factors of both numbers.
The great common factor of 16 and 18 is 2.Method 1: Listing FactorsList all the factors of both numbers and the highest factor that is the same is the greatest common factor.Factors of 16: 1, 2, 4, 8Factors of 18: 1, 2, 3, 6, 9The greatest common factor is 2.Method 2: Prime FactorizationFind the prime factorization of each number. The prime numbers that the numbers all share multiply to the great common factor.16 = 2 * 2 * 2 * 218 = 2 * 3 * 316 and 18 share one 2 as a prime factor. Therefore, the greatest common factor is 2.
True Observe the following: 5x + 5y + 3z = 5(x + y) + 3z The first two terms could be factored because they shared a common factor of 5, but the third term did not -- not all terms need to share a common factor to use the grouping method.
greatest common factor by using intersection of sets method,prime factorization method and continous division method of 72,96 and 200
Factor both numbers. Select the factors they both have in common. Choose the largest (greatest) one.
If done correctly, yes.
The highest common factor of 46 and 138 is 46Factorization method:46 = 2×23138 = 2×3×23highest common factor = 2×23 = 46Alternative (modular) method:138 mod 46 = 0so 46 is the highest common factor.
The GCF of consecutive integers is 1.
The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The greatest factor of any number is itself. So you do not need to use the division ladder or any other method!
it is about charting up a factor tree and seeing the end branches and then take the frequent occurring number and whola. the scarecrow
5 x 7 = 35 5 x 29 = 145 The GCF is 5.
Method of prime factorization is a good method to find GCF.P.F. of 68 = 2x2x17P.F. of 56 = 2x2x2x7It is clear that 2x2 is the greatest common factor.Therefore, GCF of 68 and 56 = 4.
The same as the greatest common factor of 70 and 26 - where 26 is the remainder of the division (196 divided by 70). Continue dividing, to get ever-smaller numbers - until one of the numbers is a multiple of the other. When this happens, the smaller of the numbers is the greatest common factor. This method is called the Euclid algorithm.
The greatest common factor (GCF) of 45 and 20 is 5.Prime factors:45 = 5×3×320 = 5×2×2the only prime factor in both is 5, and so the highest common factor is 5.Alternative method:45 mod 20 = 520 mod 5 = 0so HCF = 5.
The least common factor of any set of integers is 1.