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What is the Least Common Multiple of 78831 and 78841?

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 78831 and 78841 is 6215114871.

LCM(78831,78841) = 6215114871

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Least Common Multiple of 78831 and 78841 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78831 and 78841, than apply into the LCM equation.

GCF(78831,78841) = 1
LCM(78831,78841) = ( 78831 × 78841) / 1
LCM(78831,78841) = 6215114871 / 1
LCM(78831,78841) = 6215114871

Least Common Multiple (LCM) of 78831 and 78841 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78831 and 78841. First we will calculate the prime factors of 78831 and 78841.

Prime Factorization of 78831

Prime factors of 78831 are 3, 19, 461. Prime factorization of 78831 in exponential form is:

78831 = 32 × 191 × 4611

Prime Factorization of 78841

Prime factors of 78841 are 7, 1609. Prime factorization of 78841 in exponential form is:

78841 = 72 × 16091

Now multiplying the highest exponent prime factors to calculate the LCM of 78831 and 78841.

LCM(78831,78841) = 32 × 191 × 4611 × 72 × 16091
LCM(78831,78841) = 6215114871