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What is the Least Common Multiple of 87381 and 87385?

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 87381 and 87385 is 7635788685.

LCM(87381,87385) = 7635788685

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Least Common Multiple of 87381 and 87385 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87381 and 87385, than apply into the LCM equation.

GCF(87381,87385) = 1
LCM(87381,87385) = ( 87381 × 87385) / 1
LCM(87381,87385) = 7635788685 / 1
LCM(87381,87385) = 7635788685

Least Common Multiple (LCM) of 87381 and 87385 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87381 and 87385. First we will calculate the prime factors of 87381 and 87385.

Prime Factorization of 87381

Prime factors of 87381 are 3, 7, 19, 73. Prime factorization of 87381 in exponential form is:

87381 = 32 × 71 × 191 × 731

Prime Factorization of 87385

Prime factors of 87385 are 5, 17477. Prime factorization of 87385 in exponential form is:

87385 = 51 × 174771

Now multiplying the highest exponent prime factors to calculate the LCM of 87381 and 87385.

LCM(87381,87385) = 32 × 71 × 191 × 731 × 51 × 174771
LCM(87381,87385) = 7635788685