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What is the Least Common Multiple of 77857 and 77871?

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 77857 and 77871 is 6062802447.

LCM(77857,77871) = 6062802447

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Least Common Multiple of 77857 and 77871 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77857 and 77871, than apply into the LCM equation.

GCF(77857,77871) = 1
LCM(77857,77871) = ( 77857 × 77871) / 1
LCM(77857,77871) = 6062802447 / 1
LCM(77857,77871) = 6062802447

Least Common Multiple (LCM) of 77857 and 77871 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77857 and 77871. First we will calculate the prime factors of 77857 and 77871.

Prime Factorization of 77857

Prime factors of 77857 are 13, 53, 113. Prime factorization of 77857 in exponential form is:

77857 = 131 × 531 × 1131

Prime Factorization of 77871

Prime factors of 77871 are 3, 101, 257. Prime factorization of 77871 in exponential form is:

77871 = 31 × 1011 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 77857 and 77871.

LCM(77857,77871) = 131 × 531 × 1131 × 31 × 1011 × 2571
LCM(77857,77871) = 6062802447