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What is the Least Common Multiple of 77854 and 77865?

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 77854 and 77865 is 6062101710.

LCM(77854,77865) = 6062101710

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Least Common Multiple of 77854 and 77865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77854 and 77865, than apply into the LCM equation.

GCF(77854,77865) = 1
LCM(77854,77865) = ( 77854 × 77865) / 1
LCM(77854,77865) = 6062101710 / 1
LCM(77854,77865) = 6062101710

Least Common Multiple (LCM) of 77854 and 77865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77854 and 77865. First we will calculate the prime factors of 77854 and 77865.

Prime Factorization of 77854

Prime factors of 77854 are 2, 7, 67, 83. Prime factorization of 77854 in exponential form is:

77854 = 21 × 71 × 671 × 831

Prime Factorization of 77865

Prime factors of 77865 are 3, 5, 29, 179. Prime factorization of 77865 in exponential form is:

77865 = 31 × 51 × 291 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 77854 and 77865.

LCM(77854,77865) = 21 × 71 × 671 × 831 × 31 × 51 × 291 × 1791
LCM(77854,77865) = 6062101710