LCM for 40 and 288

What's the Least Common Multiple (LCM) of 40 and 288?

Answer: LCM of 40 and 288 is 1,440

(One thousand, four hundred forty)

Finding LCM for 40 and 288 using GCF's of these numbers

The first method to find LCM for numbers 40 and 288 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 40 and 288 is 8, so

LCM = (40 × 288) ÷ 8

LCM = 11520 ÷ 8

LCM = 1440

Finding LCM for 40 and 288 by Listing Multiples

The second method to find LCM for numbers 40 and 288 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 40: 40, 80, 120, 160, 200, 240, 280, 320, 360, 400, 440, 480, 520, 560, 600, 640, 680, 720, 760, 800, 840, 880, 920, 960, 1000, 1040, 1080, 1120, 1160, 1200, 1240, 1280, 1320, 1360, 1400, 1440, 1480, 1520

Multiples of 288: 288, 576, 864, 1152, 1440, 1728, 2016

So the LCM for 40 and 288 is 1440

Finding LCM for 40 and 288 by Prime Factorization

Another method to find LCM for numbers 40 and 288 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 40: 2, 2, 2, 5 (exponent form: 23, 51)

All Prime Factors of 288: 2, 2, 2, 2, 2, 3, 3 (exponent form: 25, 32)

25 × 51 × 32 = 1440

LCM Table

Number 1Number 2LCM
252887200
262883744
27288864
282882016
292888352
302881440
312888928
32288288
332883168
342884896
3528810080
36288288
3728810656
382885472
392883744
402881440
4128811808
422882016
4328812384
442883168
452881440
462886624
4728813536
48288288
4928814112
502887200
512884896
522883744
5328815264
54288864

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 40 and 288? (The answer is: 1440). Select the first number (e.g. '40') and the second number (e.g. '288'). 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 40 and 288?

LCM of 40 and 288 is 1,440