Question

What is the L.C.M of 2,4,5​

Answer 1

Answer:

Enter a problem...

Algebra Examples

Popular Problems Algebra Find the LCM 2 , 4 , 5

2

,

4

,

5

The LCM is the smallest positive number that all of the numbers divide into evenly.

1. List the prime factors of each number.

2. Multiply each factor the greatest number of times it occurs in either number.

Since

2

has no factors besides

1

and

2

.

2

is a prime number

4

has factors of

2

and

2

.

2

⋅

2

Since

5

has no factors besides

1

and

5

.

5

is a prime number

The LCM of

2

,

4

,

5

is the result of multiplying all prime factors the greatest number of times they occur in either number.

2

⋅

2

⋅

5

The LCM of

2

,

4

,

5

is

2

⋅

2

⋅

5

=

20

.Multiply

2

by

2

.

4

⋅

5

Multiply

4

by

5

.

20

Answer 2

Step-by-step explanation:

the L.C.M of 2 is 2×1 = 2.

the L. C .M of 4 is 2 × 2 = 4

the L. C. M of 5 is 5× 1 = 5.

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