Answers

The lcm of 1 and 4 is 4.

Steps to find LCM

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

Find least common multiple (lcm) of: 2 & 8 3 & 12 5 & 20 7 & 28 2 & 4 1 & 8 3 & 4 1 & 12 5 & 4 1 & 20 7 & 4 1 & 28

LCM Calculator

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