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What is the Least Common Multiple of 81107 and 81117?

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 81107 and 81117 is 6579156519.

LCM(81107,81117) = 6579156519

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Least Common Multiple of 81107 and 81117 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81107 and 81117, than apply into the LCM equation.

GCF(81107,81117) = 1
LCM(81107,81117) = ( 81107 × 81117) / 1
LCM(81107,81117) = 6579156519 / 1
LCM(81107,81117) = 6579156519

Least Common Multiple (LCM) of 81107 and 81117 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81107 and 81117. First we will calculate the prime factors of 81107 and 81117.

Prime Factorization of 81107

Prime factors of 81107 are 13, 17, 367. Prime factorization of 81107 in exponential form is:

81107 = 131 × 171 × 3671

Prime Factorization of 81117

Prime factors of 81117 are 3, 9013. Prime factorization of 81117 in exponential form is:

81117 = 32 × 90131

Now multiplying the highest exponent prime factors to calculate the LCM of 81107 and 81117.

LCM(81107,81117) = 131 × 171 × 3671 × 32 × 90131
LCM(81107,81117) = 6579156519