Math, asked by sabamuskan63, 1 year ago

how to find lcm of 15 , and 120

Answers

Answered by lakshya8
0
Prime factorisation of 15 = 3 × 5
Prime factorisation of 120= 2×2×2×3×5

Do Lcm of 15& 120 = 2^3× 3× 5= 120.

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lakshya8: glad to help u
lakshya8: thx for choosing me
sabamuskan63: u welcome
sabamuskan63: i have a dought
sabamuskan63: can you help me
sabamuskan63: for this sum
lakshya8: wht doubt
sabamuskan63: that can you say me the method of lcm
Answered by Anonymous
1
Hey !

We can find the LCM , by doing the prime factorization of the two no:s

Hi !

a)
Prime factorization of 15 and 120  :-

15 = 3 x 5
120 = 2³ x 3 x 5

LCM will be the product of no:s , with high power [ exponent]
Here 2³   [ 2³ = 8 ]  is the highest power of the no:2 . Also 3 and 5 are Common in the prime factorization of the no:s.
Hence,

LCM =  2³ × 3 × 5 = 120


sabamuskan63: are you sure that it is the answer
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