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What is the Least Common Multiple of 85418 and 85436?

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 85418 and 85436 is 3648886124.

LCM(85418,85436) = 3648886124

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Least Common Multiple of 85418 and 85436 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85418 and 85436, than apply into the LCM equation.

GCF(85418,85436) = 2
LCM(85418,85436) = ( 85418 × 85436) / 2
LCM(85418,85436) = 7297772248 / 2
LCM(85418,85436) = 3648886124

Least Common Multiple (LCM) of 85418 and 85436 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85418 and 85436. First we will calculate the prime factors of 85418 and 85436.

Prime Factorization of 85418

Prime factors of 85418 are 2, 42709. Prime factorization of 85418 in exponential form is:

85418 = 21 × 427091

Prime Factorization of 85436

Prime factors of 85436 are 2, 13, 31, 53. Prime factorization of 85436 in exponential form is:

85436 = 22 × 131 × 311 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 85418 and 85436.

LCM(85418,85436) = 22 × 427091 × 131 × 311 × 531
LCM(85418,85436) = 3648886124