Question

find the hcf of 38 64 and 82 by prime factorization method

Answer 1

Step-by-step explanation:

Step by Step Solution

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Calculate Greatest Common Factor for :

38, 64 and 82

Factorize of the above numbers :

38 = 2 • 19

64 = 26

82 = 2 • 41

Build a prime factors table

Number of times each prime factor

appears in the factorization of :

Prime

Factor Number

38 Number

64 Number

82 G.C.F

(min)

2 1 6 1 1

19 1 0 0 0

41 0 0 1 0

GCF = 2

Greatest Common Factor is :

2

Answer 2

Answer:

Step-by-step explanation:

Factors of 38 = 2 × 19

Factors of 64 = 2 × 2 × 2 × 2 × 2 × 2

Factors of 82 = 2 × 41

Therefore, hcf of 38,64 and 82 = 2 is the answer.