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What is the Least Common Multiple of 87674 and 87681?

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 87674 and 87681 is 7687343994.

LCM(87674,87681) = 7687343994

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Least Common Multiple of 87674 and 87681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87674 and 87681, than apply into the LCM equation.

GCF(87674,87681) = 1
LCM(87674,87681) = ( 87674 × 87681) / 1
LCM(87674,87681) = 7687343994 / 1
LCM(87674,87681) = 7687343994

Least Common Multiple (LCM) of 87674 and 87681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87674 and 87681. First we will calculate the prime factors of 87674 and 87681.

Prime Factorization of 87674

Prime factors of 87674 are 2, 59, 743. Prime factorization of 87674 in exponential form is:

87674 = 21 × 591 × 7431

Prime Factorization of 87681

Prime factors of 87681 are 3, 11, 2657. Prime factorization of 87681 in exponential form is:

87681 = 31 × 111 × 26571

Now multiplying the highest exponent prime factors to calculate the LCM of 87674 and 87681.

LCM(87674,87681) = 21 × 591 × 7431 × 31 × 111 × 26571
LCM(87674,87681) = 7687343994