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What is the Least Common Multiple of 77851 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 77851 and 77865 is 6061868115.

LCM(77851,77865) = 6061868115

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Least Common Multiple of 77851 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 77851 and 77865, than apply into the LCM equation.

GCF(77851,77865) = 1
LCM(77851,77865) = ( 77851 × 77865) / 1
LCM(77851,77865) = 6061868115 / 1
LCM(77851,77865) = 6061868115

Least Common Multiple (LCM) of 77851 and 77865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77851 and 77865. First we will calculate the prime factors of 77851 and 77865.

Prime Factorization of 77851

Prime factors of 77851 are 127, 613. Prime factorization of 77851 in exponential form is:

77851 = 1271 × 6131

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 77851 and 77865.

LCM(77851,77865) = 1271 × 6131 × 31 × 51 × 291 × 1791
LCM(77851,77865) = 6061868115