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What is the Least Common Multiple of 77842 and 77861?

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 77842 and 77861 is 6060855962.

LCM(77842,77861) = 6060855962

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Least Common Multiple of 77842 and 77861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77842 and 77861, than apply into the LCM equation.

GCF(77842,77861) = 1
LCM(77842,77861) = ( 77842 × 77861) / 1
LCM(77842,77861) = 6060855962 / 1
LCM(77842,77861) = 6060855962

Least Common Multiple (LCM) of 77842 and 77861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77842 and 77861. First we will calculate the prime factors of 77842 and 77861.

Prime Factorization of 77842

Prime factors of 77842 are 2, 38921. Prime factorization of 77842 in exponential form is:

77842 = 21 × 389211

Prime Factorization of 77861

Prime factors of 77861 are 7, 227. Prime factorization of 77861 in exponential form is:

77861 = 73 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 77842 and 77861.

LCM(77842,77861) = 21 × 389211 × 73 × 2271
LCM(77842,77861) = 6060855962