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What is the Least Common Multiple of 47142 and 47159?

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 47142 and 47159 is 2223169578.

LCM(47142,47159) = 2223169578

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Least Common Multiple of 47142 and 47159 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47142 and 47159, than apply into the LCM equation.

GCF(47142,47159) = 1
LCM(47142,47159) = ( 47142 × 47159) / 1
LCM(47142,47159) = 2223169578 / 1
LCM(47142,47159) = 2223169578

Least Common Multiple (LCM) of 47142 and 47159 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47142 and 47159. First we will calculate the prime factors of 47142 and 47159.

Prime Factorization of 47142

Prime factors of 47142 are 2, 3, 97. Prime factorization of 47142 in exponential form is:

47142 = 21 × 35 × 971

Prime Factorization of 47159

Prime factors of 47159 are 7, 6737. Prime factorization of 47159 in exponential form is:

47159 = 71 × 67371

Now multiplying the highest exponent prime factors to calculate the LCM of 47142 and 47159.

LCM(47142,47159) = 21 × 35 × 971 × 71 × 67371
LCM(47142,47159) = 2223169578