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What is the Least Common Multiple of 77885 and 77895?

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 77885 and 77895 is 1213370415.

LCM(77885,77895) = 1213370415

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Least Common Multiple of 77885 and 77895 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77885 and 77895, than apply into the LCM equation.

GCF(77885,77895) = 5
LCM(77885,77895) = ( 77885 × 77895) / 5
LCM(77885,77895) = 6066852075 / 5
LCM(77885,77895) = 1213370415

Least Common Multiple (LCM) of 77885 and 77895 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77885 and 77895. First we will calculate the prime factors of 77885 and 77895.

Prime Factorization of 77885

Prime factors of 77885 are 5, 37, 421. Prime factorization of 77885 in exponential form is:

77885 = 51 × 371 × 4211

Prime Factorization of 77895

Prime factors of 77895 are 3, 5, 577. Prime factorization of 77895 in exponential form is:

77895 = 33 × 51 × 5771

Now multiplying the highest exponent prime factors to calculate the LCM of 77885 and 77895.

LCM(77885,77895) = 51 × 371 × 4211 × 33 × 5771
LCM(77885,77895) = 1213370415