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What is the Least Common Multiple of 78922 and 78931?

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 78922 and 78931 is 6229392382.

LCM(78922,78931) = 6229392382

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Least Common Multiple of 78922 and 78931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78922 and 78931, than apply into the LCM equation.

GCF(78922,78931) = 1
LCM(78922,78931) = ( 78922 × 78931) / 1
LCM(78922,78931) = 6229392382 / 1
LCM(78922,78931) = 6229392382

Least Common Multiple (LCM) of 78922 and 78931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78922 and 78931. First we will calculate the prime factors of 78922 and 78931.

Prime Factorization of 78922

Prime factors of 78922 are 2, 39461. Prime factorization of 78922 in exponential form is:

78922 = 21 × 394611

Prime Factorization of 78931

Prime factors of 78931 are 17, 4643. Prime factorization of 78931 in exponential form is:

78931 = 171 × 46431

Now multiplying the highest exponent prime factors to calculate the LCM of 78922 and 78931.

LCM(78922,78931) = 21 × 394611 × 171 × 46431
LCM(78922,78931) = 6229392382