# What is the Least Common Multiple of 83 and 97?

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 83 and 97 is 8051.

LCM(83,97) = 8051

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## Least Common Multiple of 83 and 97 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83 and 97, than apply into the LCM equation.

GCF(83,97) = 1
LCM(83,97) = ( 83 × 97) / 1
LCM(83,97) = 8051 / 1
LCM(83,97) = 8051

## Least Common Multiple (LCM) of 83 and 97 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83 and 97. First we will calculate the prime factors of 83 and 97.

### Prime Factorization of 83

Prime factors of 83 are 83. Prime factorization of 83 in exponential form is:

83 = 831

### Prime Factorization of 97

Prime factors of 97 are 97. Prime factorization of 97 in exponential form is:

97 = 971

Now multiplying the highest exponent prime factors to calculate the LCM of 83 and 97.

LCM(83,97) = 831 × 971
LCM(83,97) = 8051