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What is the Least Common Multiple of 77070 and 77086?

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 77070 and 77086 is 2970509010.

LCM(77070,77086) = 2970509010

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Least Common Multiple of 77070 and 77086 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77070 and 77086, than apply into the LCM equation.

GCF(77070,77086) = 2
LCM(77070,77086) = ( 77070 × 77086) / 2
LCM(77070,77086) = 5941018020 / 2
LCM(77070,77086) = 2970509010

Least Common Multiple (LCM) of 77070 and 77086 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77070 and 77086. First we will calculate the prime factors of 77070 and 77086.

Prime Factorization of 77070

Prime factors of 77070 are 2, 3, 5, 7, 367. Prime factorization of 77070 in exponential form is:

77070 = 21 × 31 × 51 × 71 × 3671

Prime Factorization of 77086

Prime factors of 77086 are 2, 38543. Prime factorization of 77086 in exponential form is:

77086 = 21 × 385431

Now multiplying the highest exponent prime factors to calculate the LCM of 77070 and 77086.

LCM(77070,77086) = 21 × 31 × 51 × 71 × 3671 × 385431
LCM(77070,77086) = 2970509010