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What is the Least Common Multiple of 42089 and 42098?

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 42089 and 42098 is 1771862722.

LCM(42089,42098) = 1771862722

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Least Common Multiple of 42089 and 42098 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42089 and 42098, than apply into the LCM equation.

GCF(42089,42098) = 1
LCM(42089,42098) = ( 42089 × 42098) / 1
LCM(42089,42098) = 1771862722 / 1
LCM(42089,42098) = 1771862722

Least Common Multiple (LCM) of 42089 and 42098 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42089 and 42098. First we will calculate the prime factors of 42089 and 42098.

Prime Factorization of 42089

Prime factors of 42089 are 42089. Prime factorization of 42089 in exponential form is:

42089 = 420891

Prime Factorization of 42098

Prime factors of 42098 are 2, 7, 31, 97. Prime factorization of 42098 in exponential form is:

42098 = 21 × 71 × 311 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 42089 and 42098.

LCM(42089,42098) = 420891 × 21 × 71 × 311 × 971
LCM(42089,42098) = 1771862722