# What is the Least Common Multiple of 23 and 35?

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.

Least common multiple (LCM) of 23 and 35 is 805.

LCM(23,35) = 805

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## Least Common Multiple of 23 and 35 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23 and 35, than apply into the LCM equation.

GCF(23,35) = 1
LCM(23,35) = ( 23 × 35) / 1
LCM(23,35) = 805 / 1
LCM(23,35) = 805

## Least Common Multiple (LCM) of 23 and 35 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23 and 35. First we will calculate the prime factors of 23 and 35.

### Prime Factorization of 23

Prime factors of 23 are 23. Prime factorization of 23 in exponential form is:

23 = 231

### Prime Factorization of 35

Prime factors of 35 are 5, 7. Prime factorization of 35 in exponential form is:

35 = 51 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 23 and 35.

LCM(23,35) = 231 × 51 × 71
LCM(23,35) = 805