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What is the Least Common Multiple of 85634 and 85638?

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 85634 and 85638 is 3666762246.

LCM(85634,85638) = 3666762246

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Least Common Multiple of 85634 and 85638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85634 and 85638, than apply into the LCM equation.

GCF(85634,85638) = 2
LCM(85634,85638) = ( 85634 × 85638) / 2
LCM(85634,85638) = 7333524492 / 2
LCM(85634,85638) = 3666762246

Least Common Multiple (LCM) of 85634 and 85638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85634 and 85638. First we will calculate the prime factors of 85634 and 85638.

Prime Factorization of 85634

Prime factors of 85634 are 2, 47, 911. Prime factorization of 85634 in exponential form is:

85634 = 21 × 471 × 9111

Prime Factorization of 85638

Prime factors of 85638 are 2, 3, 7, 2039. Prime factorization of 85638 in exponential form is:

85638 = 21 × 31 × 71 × 20391

Now multiplying the highest exponent prime factors to calculate the LCM of 85634 and 85638.

LCM(85634,85638) = 21 × 471 × 9111 × 31 × 71 × 20391
LCM(85634,85638) = 3666762246