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What is the Least Common Multiple of 81934 and 81954?

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 81934 and 81954 is 3357409518.

LCM(81934,81954) = 3357409518

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Least Common Multiple of 81934 and 81954 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81934 and 81954, than apply into the LCM equation.

GCF(81934,81954) = 2
LCM(81934,81954) = ( 81934 × 81954) / 2
LCM(81934,81954) = 6714819036 / 2
LCM(81934,81954) = 3357409518

Least Common Multiple (LCM) of 81934 and 81954 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81934 and 81954. First we will calculate the prime factors of 81934 and 81954.

Prime Factorization of 81934

Prime factors of 81934 are 2, 71, 577. Prime factorization of 81934 in exponential form is:

81934 = 21 × 711 × 5771

Prime Factorization of 81954

Prime factors of 81954 are 2, 3, 29, 157. Prime factorization of 81954 in exponential form is:

81954 = 21 × 32 × 291 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 81934 and 81954.

LCM(81934,81954) = 21 × 711 × 5771 × 32 × 291 × 1571
LCM(81934,81954) = 3357409518