LCM for 42 and 147

"Least Common Multiple" Calculator

Least Common Multiple of

and

What's the Least Common Multiple (LCM) of 42 and 147?

Answer: LCM of 42 and 147 is 294

(Two hundred ninety-four)

Finding LCM for 42 and 147 using GCF's of these numbers

The first method to find LCM for numbers 42 and 147 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 42 and 147 is 21, so

LCM = (42 × 147) ÷ 21

LCM = 6174 ÷ 21

LCM = 294

Finding LCM for 42 and 147 by Listing Multiples

The second method to find LCM for numbers 42 and 147 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 42: 42, 84, 126, 168, 210, 252, 294, 336, 378

Multiples of 147: 147, 294, 441, 588

So the LCM for 42 and 147 is 294

Finding LCM for 42 and 147 by Prime Factorization

Another method to find LCM for numbers 42 and 147 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 42: 2, 3, 7 (exponent form: 21, 31, 71)

All Prime Factors of 147: 3, 7, 7 (exponent form: 31, 72)

21 × 31 × 72 = 294

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About "Least Common Multiple" Calculator

This calculator will help you find the Least Common Multiple (LCM) of two numbers. For example, it can help you find out what's the Least Common Multiple (LCM) of 42 and 147? (The answer is: 294). Select the first number (e.g. '42') and the second number (e.g. '147'). After that hit the 'Calculate' button.
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

"Least Common Multiple" Calculator

Least Common Multiple of

and

LCM Table

Number 1Number 2LCM
271471323
28147588
291474263
301471470
311474557
321474704
331471617
341474998
35147735
361471764
371475439
381475586
391471911
401475880
411476027
42147294
431476321
441476468
451472205
461476762
471476909
481472352
49147147
501477350
511472499
521477644
531477791
541472646
551478085
561471176

FAQ

What's the Least Common Multiple (LCM) of 42 and 147?

LCM of 42 and 147 is 294

See Also