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What is the Least Common Multiple of 84142 and 84148?

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 84142 and 84148 is 3540190508.

LCM(84142,84148) = 3540190508

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Least Common Multiple of 84142 and 84148 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84142 and 84148, than apply into the LCM equation.

GCF(84142,84148) = 2
LCM(84142,84148) = ( 84142 × 84148) / 2
LCM(84142,84148) = 7080381016 / 2
LCM(84142,84148) = 3540190508

Least Common Multiple (LCM) of 84142 and 84148 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84142 and 84148. First we will calculate the prime factors of 84142 and 84148.

Prime Factorization of 84142

Prime factors of 84142 are 2, 42071. Prime factorization of 84142 in exponential form is:

84142 = 21 × 420711

Prime Factorization of 84148

Prime factors of 84148 are 2, 109, 193. Prime factorization of 84148 in exponential form is:

84148 = 22 × 1091 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 84142 and 84148.

LCM(84142,84148) = 22 × 420711 × 1091 × 1931
LCM(84142,84148) = 3540190508