Question

Find. The. Hcf. Of. 45,60and90

Answer 1

Answer:

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Step-by-step explanation:

Step by Step Solution

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Calculate Greatest Common Factor for :

45, 60 and 90

Factorize of the above numbers :

45 = 32 • 5

60 = 22 • 3 • 5

90 = 2 • 32 • 5

Build a prime factors table

Number of times each prime factor

appears in the factorization of :

Prime

Factor Number

45 Number

60 Number

90 G.C.F

(min)

2 0 2 1 0

3 2 1 2 1

5 1 1 1 1

GCF = 3 • 5

Greatest Common Factor is :

15