LCM for 75 and 105

What's the Least Common Multiple (LCM) of 75 and 105?

Answer: LCM of 75 and 105 is 525

(Five hundred twenty-five)

Finding LCM for 75 and 105 using GCF's of these numbers

The first method to find LCM for numbers 75 and 105 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 75 and 105 is 15, so

LCM = (75 × 105) ÷ 15

LCM = 7875 ÷ 15

LCM = 525

Finding LCM for 75 and 105 by Listing Multiples

The second method to find LCM for numbers 75 and 105 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 75: 75, 150, 225, 300, 375, 450, 525, 600, 675

Multiples of 105: 105, 210, 315, 420, 525, 630, 735

So the LCM for 75 and 105 is 525

Finding LCM for 75 and 105 by Prime Factorization

Another method to find LCM for numbers 75 and 105 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 75: 3, 5, 5 (exponent form: 31, 52)

All Prime Factors of 105: 3, 5, 7 (exponent form: 31, 51, 71)

31 × 52 × 71 = 525

Related Calculations

See Also

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 75 and 105? (The answer is: 525). Select the first number (e.g. '75') and the second number (e.g. '105'). 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

LCM Table

Number 1Number 2LCM
60105420
611056405
621056510
63105
641056720
651051365
661052310
671057035
681057140
691052415
70105
711057455
721052520
731057665
741057770
75105
761057980
771051155
781052730
791058295
80105
811052835
821058610
831058715
84105
851051785
861059030
871053045
881059240
891059345

FAQ

What's the Least Common Multiple (LCM) of 75 and 105?

LCM of 75 and 105 is 525