LCM for 128 and 160

"Least Common Multiple" Calculator

Least Common Multiple of

and

What's the Least Common Multiple (LCM) of 128 and 160?

Answer: LCM of 128 and 160 is 640

(Six hundred forty)

Finding LCM for 128 and 160 using GCF's of these numbers

The first method to find LCM for numbers 128 and 160 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 128 and 160 is 32, so

LCM = (128 × 160) ÷ 32

LCM = 20480 ÷ 32

LCM = 640

Finding LCM for 128 and 160 by Listing Multiples

The second method to find LCM for numbers 128 and 160 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 128: 128, 256, 384, 512, 640, 768, 896

Multiples of 160: 160, 320, 480, 640, 800, 960

So the LCM for 128 and 160 is 640

Finding LCM for 128 and 160 by Prime Factorization

Another method to find LCM for numbers 128 and 160 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 128: 2, 2, 2, 2, 2, 2, 2 (exponent form: 27)

All Prime Factors of 160: 2, 2, 2, 2, 2, 5 (exponent form: 25, 51)

27 × 51 = 640

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LCM Table

Number 1Number 2LCM
11316018080
1141609120
1151603680
1161604640
11716018720
1181609440
11916019040
120160480
12116019360
1221609760
12316019680
1241604960
1251604000
12616010080
12716020320
128160640
12916020640
1301602080
13116020960
1321605280
13316021280
13416010720
1351604320
1361602720
13716021920
13816011040
13916022240
1401601120
14116022560
14216011360

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 128 and 160? (The answer is: 640). Select the first number (e.g. '128') and the second number (e.g. '160'). 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 128 and 160?

LCM of 128 and 160 is 640

See Also