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What is the Least Common Multiple of 77835 and 77847?

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 77835 and 77847 is 2019740415.

LCM(77835,77847) = 2019740415

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Least Common Multiple of 77835 and 77847 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77835 and 77847, than apply into the LCM equation.

GCF(77835,77847) = 3
LCM(77835,77847) = ( 77835 × 77847) / 3
LCM(77835,77847) = 6059221245 / 3
LCM(77835,77847) = 2019740415

Least Common Multiple (LCM) of 77835 and 77847 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77835 and 77847. First we will calculate the prime factors of 77835 and 77847.

Prime Factorization of 77835

Prime factors of 77835 are 3, 5, 5189. Prime factorization of 77835 in exponential form is:

77835 = 31 × 51 × 51891

Prime Factorization of 77847

Prime factors of 77847 are 3, 7, 11, 337. Prime factorization of 77847 in exponential form is:

77847 = 31 × 71 × 111 × 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 77835 and 77847.

LCM(77835,77847) = 31 × 51 × 51891 × 71 × 111 × 3371
LCM(77835,77847) = 2019740415