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What is the Least Common Multiple of 85674 and 85681?

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 85674 and 85681 is 7340633994.

LCM(85674,85681) = 7340633994

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Least Common Multiple of 85674 and 85681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85674 and 85681, than apply into the LCM equation.

GCF(85674,85681) = 1
LCM(85674,85681) = ( 85674 × 85681) / 1
LCM(85674,85681) = 7340633994 / 1
LCM(85674,85681) = 7340633994

Least Common Multiple (LCM) of 85674 and 85681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85674 and 85681. First we will calculate the prime factors of 85674 and 85681.

Prime Factorization of 85674

Prime factors of 85674 are 2, 3, 109, 131. Prime factorization of 85674 in exponential form is:

85674 = 21 × 31 × 1091 × 1311

Prime Factorization of 85681

Prime factors of 85681 are 47, 1823. Prime factorization of 85681 in exponential form is:

85681 = 471 × 18231

Now multiplying the highest exponent prime factors to calculate the LCM of 85674 and 85681.

LCM(85674,85681) = 21 × 31 × 1091 × 1311 × 471 × 18231
LCM(85674,85681) = 7340633994