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What is the Least Common Multiple of 85531 and 85542?

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 85531 and 85542 is 7316492802.

LCM(85531,85542) = 7316492802

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Least Common Multiple of 85531 and 85542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85531 and 85542, than apply into the LCM equation.

GCF(85531,85542) = 1
LCM(85531,85542) = ( 85531 × 85542) / 1
LCM(85531,85542) = 7316492802 / 1
LCM(85531,85542) = 7316492802

Least Common Multiple (LCM) of 85531 and 85542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85531 and 85542. First we will calculate the prime factors of 85531 and 85542.

Prime Factorization of 85531

Prime factors of 85531 are 85531. Prime factorization of 85531 in exponential form is:

85531 = 855311

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

Now multiplying the highest exponent prime factors to calculate the LCM of 85531 and 85542.

LCM(85531,85542) = 855311 × 21 × 31 × 531 × 2691
LCM(85531,85542) = 7316492802