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What is the HCF of 121 …

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What is the HCF of 121 and 120

Posted by Khushboo Tiwari 5 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Khushboo Tiwari 5 years, 5 months ago

Yes this is right

0Thank You

Yogita Ingle 5 years, 5 months ago

factors of 120

120 = 2×2×2×3×5×1

factors of 121

121= 11×11×1

multiply all the common prime factors by the lowest exponents,

but these two numbers have no common prime factors.

common factors of 120 and 121 is only 1

therefore ,

HCF of 120 and 121 is 1

hence,

HCF of 120 and 121 = 1

0Thank You

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CBSE > Class 10 > Mathematics