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What is the Least Common Multiple of 97138 and 97154?

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 97138 and 97154 is 4718672626.

LCM(97138,97154) = 4718672626

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Least Common Multiple of 97138 and 97154 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97138 and 97154, than apply into the LCM equation.

GCF(97138,97154) = 2
LCM(97138,97154) = ( 97138 × 97154) / 2
LCM(97138,97154) = 9437345252 / 2
LCM(97138,97154) = 4718672626

Least Common Multiple (LCM) of 97138 and 97154 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97138 and 97154. First we will calculate the prime factors of 97138 and 97154.

Prime Factorization of 97138

Prime factors of 97138 are 2, 17, 2857. Prime factorization of 97138 in exponential form is:

97138 = 21 × 171 × 28571

Prime Factorization of 97154

Prime factors of 97154 are 2, 31, 1567. Prime factorization of 97154 in exponential form is:

97154 = 21 × 311 × 15671

Now multiplying the highest exponent prime factors to calculate the LCM of 97138 and 97154.

LCM(97138,97154) = 21 × 171 × 28571 × 311 × 15671
LCM(97138,97154) = 4718672626