LCM for 84 and 126

"Least Common Multiple" Calculator

Least Common Multiple of

and

What's the Least Common Multiple (LCM) of 84 and 126?

Answer: LCM of 84 and 126 is 252

(Two hundred fifty-two)

Finding LCM for 84 and 126 using GCF's of these numbers

The first method to find LCM for numbers 84 and 126 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 84 and 126 is 42, so

LCM = (84 × 126) ÷ 42

LCM = 10584 ÷ 42

LCM = 252

Finding LCM for 84 and 126 by Listing Multiples

The second method to find LCM for numbers 84 and 126 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 84: 84, 168, 252, 336, 420

Multiples of 126: 126, 252, 378, 504

So the LCM for 84 and 126 is 252

Finding LCM for 84 and 126 by Prime Factorization

Another method to find LCM for numbers 84 and 126 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 84: 2, 2, 3, 7 (exponent form: 22, 31, 71)

All Prime Factors of 126: 2, 3, 3, 7 (exponent form: 21, 32, 71)

22 × 32 × 71 = 252

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LCM Table

Number 1Number 2LCM
691262898
70126630
711268946
72126504
731269198
741264662
751263150
761264788
771261386
781261638
791269954
801265040
811261134
821265166
8312610458
84126252
8512610710
861265418
871263654
881265544
8912611214
90126630
911261638
921265796
931263906
941265922
9512611970
961262016
9712612222
98126882

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 84 and 126? (The answer is: 252). Select the first number (e.g. '84') and the second number (e.g. '126'). 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

FAQ

What's the Least Common Multiple (LCM) of 84 and 126?

LCM of 84 and 126 is 252

See Also