# Least Common Multiple of 1 and 56

Least common multiple (LCM) of 1 and 56 is 56.

LCM(1,56) = 56

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

LCM Calculator and

## Least Common Multiple of 1 and 56 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1 and 56, than apply into the LCM equation.

GCF(1,56) = 1
LCM(1,56) = ( 1 × 56) / 1
LCM(1,56) = 56 / 1
LCM(1,56) = 56

## Least Common Multiple (LCM) of 1 and 56 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1 and 56. First we will calculate the prime factors of 1 and 56.

### Prime Factorization of 56

Prime factors of 56 are 2, 7. Prime factorization of 56 in exponential form is:

56 = 23 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 1 and 56.

LCM(1,56) = 23 × 71
LCM(1,56) = 56

#### Related Least Common Multiples of 56

##### Recent Comments
yogesh kashyap 2019-06-11 02:14:28

there should be full mathod to do

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