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What is the Least Common Multiple of 81124 and 81139?

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 81124 and 81139 is 6582320236.

LCM(81124,81139) = 6582320236

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Least Common Multiple of 81124 and 81139 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81124 and 81139, than apply into the LCM equation.

GCF(81124,81139) = 1
LCM(81124,81139) = ( 81124 × 81139) / 1
LCM(81124,81139) = 6582320236 / 1
LCM(81124,81139) = 6582320236

Least Common Multiple (LCM) of 81124 and 81139 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81124 and 81139. First we will calculate the prime factors of 81124 and 81139.

Prime Factorization of 81124

Prime factors of 81124 are 2, 17, 1193. Prime factorization of 81124 in exponential form is:

81124 = 22 × 171 × 11931

Prime Factorization of 81139

Prime factors of 81139 are 41, 1979. Prime factorization of 81139 in exponential form is:

81139 = 411 × 19791

Now multiplying the highest exponent prime factors to calculate the LCM of 81124 and 81139.

LCM(81124,81139) = 22 × 171 × 11931 × 411 × 19791
LCM(81124,81139) = 6582320236