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What is the Least Common Multiple of 83121 and 83138?

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 83121 and 83138 is 6910513698.

LCM(83121,83138) = 6910513698

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Least Common Multiple of 83121 and 83138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83121 and 83138, than apply into the LCM equation.

GCF(83121,83138) = 1
LCM(83121,83138) = ( 83121 × 83138) / 1
LCM(83121,83138) = 6910513698 / 1
LCM(83121,83138) = 6910513698

Least Common Multiple (LCM) of 83121 and 83138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83121 and 83138. First we will calculate the prime factors of 83121 and 83138.

Prime Factorization of 83121

Prime factors of 83121 are 3, 103, 269. Prime factorization of 83121 in exponential form is:

83121 = 31 × 1031 × 2691

Prime Factorization of 83138

Prime factors of 83138 are 2, 11, 3779. Prime factorization of 83138 in exponential form is:

83138 = 21 × 111 × 37791

Now multiplying the highest exponent prime factors to calculate the LCM of 83121 and 83138.

LCM(83121,83138) = 31 × 1031 × 2691 × 21 × 111 × 37791
LCM(83121,83138) = 6910513698