LCM for 30 and 195

What's the Least Common Multiple (LCM) of 30 and 195?

Answer: LCM of 30 and 195 is 390

(Three hundred ninety)

Finding LCM for 30 and 195 using GCF's of these numbers

The first method to find LCM for numbers 30 and 195 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 30 and 195 is 15, so

LCM = (30 × 195) ÷ 15

LCM = 5850 ÷ 15

LCM = 390

Finding LCM for 30 and 195 by Listing Multiples

The second method to find LCM for numbers 30 and 195 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 30: 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330, 360, 390, 420, 450

Multiples of 195: 195, 390, 585, 780

So the LCM for 30 and 195 is 390

Finding LCM for 30 and 195 by Prime Factorization

Another method to find LCM for numbers 30 and 195 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 30: 2, 3, 5 (exponent form: 21, 31, 51)

All Prime Factors of 195: 3, 5, 13 (exponent form: 31, 51, 131)

21 × 31 × 51 × 131 = 390

Related Calculations

See Also

LCM Table

Number 1Number 2LCM
15195195
161953120
171953315
181951170
191953705
20195780
211951365
221954290
231954485
241951560
25195975
26195390
271951755
281955460
291955655
30195
311956045
321956240
331952145
341956630
351951365
361952340
371957215
381957410
39195195
401951560
411957995
421952730
431958385
441958580

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 30 and 195? (The answer is: 390). Select the first number (e.g. '30') and the second number (e.g. '195'). 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

FAQ

What's the Least Common Multiple (LCM) of 30 and 195?

LCM of 30 and 195 is 390