LCM for 9 and 47
What's the Least Common Multiple (LCM) of 9 and 47?
(Four hundred twenty-three)
Finding LCM for 9 and 47 using GCF's of these numbers
The first method to find LCM for numbers 9 and 47 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:
LCM = (Number1 × Number2) ÷ GCF
GCF of numbers 9 and 47 is 1, so
LCM = (9 × 47) ÷ 1
LCM = 423 ÷ 1
LCM = 423
Finding LCM for 9 and 47 by Listing Multiples
The second method to find LCM for numbers 9 and 47 is to list out the common multiples for both nubmers and pick the first which matching:
Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135, 144, 153, 162, 171, 180, 189, 198, 207, 216, 225, 234, 243, 252, 261, 270, 279, 288, 297, 306, 315, 324, 333, 342, 351, 360, 369, 378, 387, 396, 405, 414, 423, 432, 441
Multiples of 47: 47, 94, 141, 188, 235, 282, 329, 376, 423, 470, 517
So the LCM for 9 and 47 is 423
Finding LCM for 9 and 47 by Prime Factorization
Another method to find LCM for numbers 9 and 47 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:
All Prime Factors of 9: 3, 3 (exponent form: 32)
All Prime Factors of 47: 47 (exponent form: 471)
32 × 471 = 423
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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