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What is the Least Common Multiple of 87681 and 87698?

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 87681 and 87698 is 7689448338.

LCM(87681,87698) = 7689448338

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Least Common Multiple of 87681 and 87698 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87681 and 87698, than apply into the LCM equation.

GCF(87681,87698) = 1
LCM(87681,87698) = ( 87681 × 87698) / 1
LCM(87681,87698) = 7689448338 / 1
LCM(87681,87698) = 7689448338

Least Common Multiple (LCM) of 87681 and 87698 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87681 and 87698. First we will calculate the prime factors of 87681 and 87698.

Prime Factorization of 87681

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

87681 = 31 × 111 × 26571

Prime Factorization of 87698

Prime factors of 87698 are 2, 13, 3373. Prime factorization of 87698 in exponential form is:

87698 = 21 × 131 × 33731

Now multiplying the highest exponent prime factors to calculate the LCM of 87681 and 87698.

LCM(87681,87698) = 31 × 111 × 26571 × 21 × 131 × 33731
LCM(87681,87698) = 7689448338