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What is the Least Common Multiple of 77422 and 77442?

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 77422 and 77442 is 2997857262.

LCM(77422,77442) = 2997857262

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Least Common Multiple of 77422 and 77442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77422 and 77442, than apply into the LCM equation.

GCF(77422,77442) = 2
LCM(77422,77442) = ( 77422 × 77442) / 2
LCM(77422,77442) = 5995714524 / 2
LCM(77422,77442) = 2997857262

Least Common Multiple (LCM) of 77422 and 77442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77422 and 77442. First we will calculate the prime factors of 77422 and 77442.

Prime Factorization of 77422

Prime factors of 77422 are 2, 38711. Prime factorization of 77422 in exponential form is:

77422 = 21 × 387111

Prime Factorization of 77442

Prime factors of 77442 are 2, 3, 12907. Prime factorization of 77442 in exponential form is:

77442 = 21 × 31 × 129071

Now multiplying the highest exponent prime factors to calculate the LCM of 77422 and 77442.

LCM(77422,77442) = 21 × 387111 × 31 × 129071
LCM(77422,77442) = 2997857262