LCM for 5 and 90
"Least Common Multiple" Calculator
What's the Least Common Multiple (LCM) of 5 and 90?
(Ninety)
Finding LCM for 5 and 90 using GCF's of these numbers
The first method to find LCM for numbers 5 and 90 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:
LCM = (Number1 × Number2) ÷ GCF
GCF of numbers 5 and 90 is 5, so
LCM = (5 × 90) ÷ 5
LCM = 450 ÷ 5
LCM = 90
Finding LCM for 5 and 90 by Listing Multiples
The second method to find LCM for numbers 5 and 90 is to list out the common multiples for both nubmers and pick the first which matching:
Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100
Multiples of 90: 90, 180, 270, 360, 450, 540, 630, 720, 810, 900, 990, 1080, 1170, 1260, 1350, 1440, 1530, 1620, 1710, 1800, [...], 90
So the LCM for 5 and 90 is 90
Finding LCM for 5 and 90 by Prime Factorization
Another method to find LCM for numbers 5 and 90 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:
All Prime Factors of 5: 5 (exponent form: 51)
All Prime Factors of 90: 2, 3, 3, 5 (exponent form: 21, 32, 51)
51 × 21 × 32 = 90
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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
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What's the Least Common Multiple (LCM) of 5 and 90?
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- Наименьшее общее кратное 5 и 90