LCM for 45 and 50
What's the Least Common Multiple (LCM) of 45 and 50?
(Four hundred fifty)
Finding LCM for 45 and 50 using GCF's of these numbers
The first method to find LCM for numbers 45 and 50 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:
LCM = (Number1 × Number2) ÷ GCF
GCF of numbers 45 and 50 is 5, so
LCM = (45 × 50) ÷ 5
LCM = 2250 ÷ 5
LCM = 450
Finding LCM for 45 and 50 by Listing Multiples
The second method to find LCM for numbers 45 and 50 is to list out the common multiples for both nubmers and pick the first which matching:
Multiples of 45: 45, 90, 135, 180, 225, 270, 315, 360, 405, 450, 495, 540
Multiples of 50: 50, 100, 150, 200, 250, 300, 350, 400, 450, 500, 550
So the LCM for 45 and 50 is 450
Finding LCM for 45 and 50 by Prime Factorization
Another method to find LCM for numbers 45 and 50 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:
All Prime Factors of 45: 3, 3, 5 (exponent form: 32, 51)
All Prime Factors of 50: 2, 5, 5 (exponent form: 21, 52)
32 × 52 × 21 = 450
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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