Question

HCF OF 1. 84,128 AND 138 2. 144 AND 148 PLEASE FAST​

Answer 1

Answer:

OK

Step-by-step explanation:

HCF OF  84 , 128 and 138

84 = 2² x 3 x 7

120 = 2³ x 3 x 5

138 = 2 x 3 x 23

H.C.F = 2 × 3 = 6

HCF OF 144 AND 148

144 = 2 × 2 × 2 × 2 × 3 × 3

148 = 2 × 2 × 37

To find the HCF, multiply all the prime factors common to both numbers:

Therefore, HCF = 2 × 2

GCF = 4

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Answer 2

Explain -

Step - 1

Decompose all numbers into prime factors

84128 2

Step - 2

Write all numbers as the product of its prime factors

Prime factors of 84128 = 25 . 11 . 239

Step -3

Choose the common prime factors with the lowest exponent

Common prime factors: 2 , 11 , 239

Common prime factors: 2 , 11 , 239Common prime factors with the lowest exponent: 25, 111, 2391

Step - 4

Calculate the Greatest Common Factor or GCF

Remember, to find the GCF of several numbers you must multiply the common prime factors with the lowest exponent.

Remember, to find the GCF of several numbers you must multiply the common prime factors with the lowest exponent.GCF = 25. 111. 2391 = 84128

Step - 5

Also calculates the:

Also calculates the:Least Common Multiple or LCM of 84128