LCM for 22 and 42
"Least Common Multiple" Calculator
What's the Least Common Multiple (LCM) of 22 and 42?
(Four hundred sixty-two)
Finding LCM for 22 and 42 using GCF's of these numbers
The first method to find LCM for numbers 22 and 42 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:
LCM = (Number1 × Number2) ÷ GCF
GCF of numbers 22 and 42 is 2, so
LCM = (22 × 42) ÷ 2
LCM = 924 ÷ 2
LCM = 462
Finding LCM for 22 and 42 by Listing Multiples
The second method to find LCM for numbers 22 and 42 is to list out the common multiples for both nubmers and pick the first which matching:
Multiples of 22: 22, 44, 66, 88, 110, 132, 154, 176, 198, 220, 242, 264, 286, 308, 330, 352, 374, 396, 418, 440, 462, 484, 506
Multiples of 42: 42, 84, 126, 168, 210, 252, 294, 336, 378, 420, 462, 504, 546
So the LCM for 22 and 42 is 462
Finding LCM for 22 and 42 by Prime Factorization
Another method to find LCM for numbers 22 and 42 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:
All Prime Factors of 22: 2, 11 (exponent form: 21, 111)
All Prime Factors of 42: 2, 3, 7 (exponent form: 21, 31, 71)
21 × 111 × 31 × 71 = 462
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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 22 and 42?
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- Наименьшее общее кратное 22 и 42