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What is the Least Common Multiple of 85542 and 85561?

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 85542 and 85561 is 7319059062.

LCM(85542,85561) = 7319059062

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Least Common Multiple of 85542 and 85561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85542 and 85561, than apply into the LCM equation.

GCF(85542,85561) = 1
LCM(85542,85561) = ( 85542 × 85561) / 1
LCM(85542,85561) = 7319059062 / 1
LCM(85542,85561) = 7319059062

Least Common Multiple (LCM) of 85542 and 85561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85542 and 85561. First we will calculate the prime factors of 85542 and 85561.

Prime Factorization of 85542

Prime factors of 85542 are 2, 3, 53, 269. Prime factorization of 85542 in exponential form is:

85542 = 21 × 31 × 531 × 2691

Prime Factorization of 85561

Prime factors of 85561 are 7, 17, 719. Prime factorization of 85561 in exponential form is:

85561 = 71 × 171 × 7191

Now multiplying the highest exponent prime factors to calculate the LCM of 85542 and 85561.

LCM(85542,85561) = 21 × 31 × 531 × 2691 × 71 × 171 × 7191
LCM(85542,85561) = 7319059062