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What is the Least Common Multiple of 97129 and 97138?

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 97129 and 97138 is 9434916802.

LCM(97129,97138) = 9434916802

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Least Common Multiple of 97129 and 97138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97129 and 97138, than apply into the LCM equation.

GCF(97129,97138) = 1
LCM(97129,97138) = ( 97129 × 97138) / 1
LCM(97129,97138) = 9434916802 / 1
LCM(97129,97138) = 9434916802

Least Common Multiple (LCM) of 97129 and 97138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97129 and 97138. First we will calculate the prime factors of 97129 and 97138.

Prime Factorization of 97129

Prime factors of 97129 are 23, 41, 103. Prime factorization of 97129 in exponential form is:

97129 = 231 × 411 × 1031

Prime Factorization of 97138

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

97138 = 21 × 171 × 28571

Now multiplying the highest exponent prime factors to calculate the LCM of 97129 and 97138.

LCM(97129,97138) = 231 × 411 × 1031 × 21 × 171 × 28571
LCM(97129,97138) = 9434916802