LCM for 36 and 90
What's the Least Common Multiple (LCM) of 36 and 90?
(One hundred eighty)
Finding LCM for 36 and 90 using GCF's of these numbers
The first method to find LCM for numbers 36 and 90 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:
LCM = (Number1 × Number2) ÷ GCF
GCF of numbers 36 and 90 is 18, so
LCM = (36 × 90) ÷ 18
LCM = 3240 ÷ 18
LCM = 180
Finding LCM for 36 and 90 by Listing Multiples
The second method to find LCM for numbers 36 and 90 is to list out the common multiples for both nubmers and pick the first which matching:
Multiples of 36: 36, 72, 108, 144, 180, 216, 252
Multiples of 90: 90, 180, 270, 360
So the LCM for 36 and 90 is 180
Finding LCM for 36 and 90 by Prime Factorization
Another method to find LCM for numbers 36 and 90 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:
All Prime Factors of 36: 2, 2, 3, 3 (exponent form: 22, 32)
All Prime Factors of 90: 2, 3, 3, 5 (exponent form: 21, 32, 51)
22 × 32 × 51 = 180
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LCM Table
About "Least Common Multiple" Calculator
Least Common Multiple (LCM) also known as the Lowest Common Multiple or Smallest Common Multiple of 2 numbers - it is the smallest positive integer that is divisible by both numbers