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What is the Least Common Multiple of 87661 and 87674?

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 87661 and 87674 is 7685590514.

LCM(87661,87674) = 7685590514

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Least Common Multiple of 87661 and 87674 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87661 and 87674, than apply into the LCM equation.

GCF(87661,87674) = 1
LCM(87661,87674) = ( 87661 × 87674) / 1
LCM(87661,87674) = 7685590514 / 1
LCM(87661,87674) = 7685590514

Least Common Multiple (LCM) of 87661 and 87674 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87661 and 87674. First we will calculate the prime factors of 87661 and 87674.

Prime Factorization of 87661

Prime factors of 87661 are 7, 1789. Prime factorization of 87661 in exponential form is:

87661 = 72 × 17891

Prime Factorization of 87674

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

87674 = 21 × 591 × 7431

Now multiplying the highest exponent prime factors to calculate the LCM of 87661 and 87674.

LCM(87661,87674) = 72 × 17891 × 21 × 591 × 7431
LCM(87661,87674) = 7685590514