Question

If LCM of first 10 natural numbers

is 2^a.3^b.5^.7^d then find

a + b + c + d .

Answer 1

Hope this will help you

Answer 2

Answer:7

Step-by-step explanation:

LCM OF FIRST 10 NATURAL NUMBERS IS 2520

2520=2*2*2*3*3*5*7

SO,2^2*3^2*5^1*7^1=2520

2^a*3^b*5^c*7^d

2^2*3^2*5^1*7^1

Compare these

You get,

a=2

b=3

c=1

d=1

a+b+c+d=2+3+1+1

=7