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What is the Least Common Multiple of 77897 and 77905?

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 77897 and 77905 is 6068565785.

LCM(77897,77905) = 6068565785

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Least Common Multiple of 77897 and 77905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77897 and 77905, than apply into the LCM equation.

GCF(77897,77905) = 1
LCM(77897,77905) = ( 77897 × 77905) / 1
LCM(77897,77905) = 6068565785 / 1
LCM(77897,77905) = 6068565785

Least Common Multiple (LCM) of 77897 and 77905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77897 and 77905. First we will calculate the prime factors of 77897 and 77905.

Prime Factorization of 77897

Prime factors of 77897 are 61, 1277. Prime factorization of 77897 in exponential form is:

77897 = 611 × 12771

Prime Factorization of 77905

Prime factors of 77905 are 5, 15581. Prime factorization of 77905 in exponential form is:

77905 = 51 × 155811

Now multiplying the highest exponent prime factors to calculate the LCM of 77897 and 77905.

LCM(77897,77905) = 611 × 12771 × 51 × 155811
LCM(77897,77905) = 6068565785