Question

The HCF of two number is 15 and their product is 1650. Find their LCM
Find the least 5-digit number which is exactly divisible by 20. 25. 30.
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Answer 1

Answer:

1] hcf × lcm = a × b

Step-by-step explanation:

15× lcm = 1650

lcm = 110

2] lcm of 20 ,25,30 = 4×5×5×5×3×2×5

= 15000

Answer 2

Formula:

HCF*LCM= a*b

Step-by-step explanation:

15×LCM = 1650  

LCM= 1650/15

= 110