Question

LCM of (2^3 × 3 × 5) and (2^4
× 5 × 7) ... step by step solve this ques​

Answer 1

Answer:

If ^ means is into.... Which i think it probably does

So, 2×3 ×3 ×5 =90

2×4×5 ×7 = 280

So, we have to find Lcm of these numbers

I.e lcm of 90 and 280

Steps to do so...

Find the prime factorization of 90

90 = 2 × 3 × 3 × 5

Find the prime factorization of 280

280 = 2 × 2 × 2 × 5 × 7

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 2 × 2 × 3 × 3 × 5 × 7

LCM = 2520