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What is the Least Common Multiple of 87888 and 87905?

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 87888 and 87905 is 7725794640.

LCM(87888,87905) = 7725794640

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Least Common Multiple of 87888 and 87905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87888 and 87905, than apply into the LCM equation.

GCF(87888,87905) = 1
LCM(87888,87905) = ( 87888 × 87905) / 1
LCM(87888,87905) = 7725794640 / 1
LCM(87888,87905) = 7725794640

Least Common Multiple (LCM) of 87888 and 87905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87888 and 87905. First we will calculate the prime factors of 87888 and 87905.

Prime Factorization of 87888

Prime factors of 87888 are 2, 3, 1831. Prime factorization of 87888 in exponential form is:

87888 = 24 × 31 × 18311

Prime Factorization of 87905

Prime factors of 87905 are 5, 17581. Prime factorization of 87905 in exponential form is:

87905 = 51 × 175811

Now multiplying the highest exponent prime factors to calculate the LCM of 87888 and 87905.

LCM(87888,87905) = 24 × 31 × 18311 × 51 × 175811
LCM(87888,87905) = 7725794640