GCF and LCM Calculator Logo

What is the Least Common Multiple of 97991 and 97998?

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 97991 and 97998 is 9602922018.

LCM(97991,97998) = 9602922018

LCM Calculator and
and

Least Common Multiple of 97991 and 97998 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97991 and 97998, than apply into the LCM equation.

GCF(97991,97998) = 1
LCM(97991,97998) = ( 97991 × 97998) / 1
LCM(97991,97998) = 9602922018 / 1
LCM(97991,97998) = 9602922018

Least Common Multiple (LCM) of 97991 and 97998 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97991 and 97998. First we will calculate the prime factors of 97991 and 97998.

Prime Factorization of 97991

Prime factors of 97991 are 29, 31, 109. Prime factorization of 97991 in exponential form is:

97991 = 291 × 311 × 1091

Prime Factorization of 97998

Prime factors of 97998 are 2, 3, 16333. Prime factorization of 97998 in exponential form is:

97998 = 21 × 31 × 163331

Now multiplying the highest exponent prime factors to calculate the LCM of 97991 and 97998.

LCM(97991,97998) = 291 × 311 × 1091 × 21 × 31 × 163331
LCM(97991,97998) = 9602922018