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What is the Least Common Multiple of 87089 and 87100?

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 87089 and 87100 is 7585451900.

LCM(87089,87100) = 7585451900

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Least Common Multiple of 87089 and 87100 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87089 and 87100, than apply into the LCM equation.

GCF(87089,87100) = 1
LCM(87089,87100) = ( 87089 × 87100) / 1
LCM(87089,87100) = 7585451900 / 1
LCM(87089,87100) = 7585451900

Least Common Multiple (LCM) of 87089 and 87100 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87089 and 87100. First we will calculate the prime factors of 87089 and 87100.

Prime Factorization of 87089

Prime factors of 87089 are 73, 1193. Prime factorization of 87089 in exponential form is:

87089 = 731 × 11931

Prime Factorization of 87100

Prime factors of 87100 are 2, 5, 13, 67. Prime factorization of 87100 in exponential form is:

87100 = 22 × 52 × 131 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 87089 and 87100.

LCM(87089,87100) = 731 × 11931 × 22 × 52 × 131 × 671
LCM(87089,87100) = 7585451900