Question

Find
1 LCM of 45 and 78
please do this step by step​

Answer 1

Answer:

The LCM of 48 and 78 = 624

Step-by-step explanation:

1. The prime factorization of 48
2. 48 = 2 × 2 × 2 × 2 × 3
3. The prime factorization of 78
4. 78 = 2 × 3 × 13
5. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 2 × 2 × 2 × 3 × 13

LCM = 624

Answer 2

Answer:

1170

Step-by-step explanation:

45=3×3×5

78=2×3×13

common factors=3

uncommon factors=2×3×5×13

LCM=2×3×3×5×13

LCM=1170