Question

find the H.C.F and L.C.M of 15,30,90​

Answer 1

Answer:

The LCM of 15, 30, and 90 is the product of all prime numbers on the left, i.e. LCM(15, 30, 90) by division method = 2 × 3 × 3 × 5 = 90.

LCM of 15, 30, and 90 is 90.

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Answer 2

Step-by-step explanation:

HCF of 15,30, 90

factors of

15=3×5

30=3×5×2

90=3×5×2×3

The common factor are 3 and 5 i.e.15

HCF of 15, 30, 90 is 15

then,

LCM of 15, 30, 90 is 90

[2×3×5×3=90]