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What is the Least Common Multiple of 87898 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 87898 and 87905 is 7726673690.

LCM(87898,87905) = 7726673690

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Least Common Multiple of 87898 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 87898 and 87905, than apply into the LCM equation.

GCF(87898,87905) = 1
LCM(87898,87905) = ( 87898 × 87905) / 1
LCM(87898,87905) = 7726673690 / 1
LCM(87898,87905) = 7726673690

Least Common Multiple (LCM) of 87898 and 87905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87898 and 87905. First we will calculate the prime factors of 87898 and 87905.

Prime Factorization of 87898

Prime factors of 87898 are 2, 71, 619. Prime factorization of 87898 in exponential form is:

87898 = 21 × 711 × 6191

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 87898 and 87905.

LCM(87898,87905) = 21 × 711 × 6191 × 51 × 175811
LCM(87898,87905) = 7726673690