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What is the Least Common Multiple of 47122 and 47139?

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 47122 and 47139 is 2221283958.

LCM(47122,47139) = 2221283958

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Least Common Multiple of 47122 and 47139 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47122 and 47139, than apply into the LCM equation.

GCF(47122,47139) = 1
LCM(47122,47139) = ( 47122 × 47139) / 1
LCM(47122,47139) = 2221283958 / 1
LCM(47122,47139) = 2221283958

Least Common Multiple (LCM) of 47122 and 47139 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47122 and 47139. First we will calculate the prime factors of 47122 and 47139.

Prime Factorization of 47122

Prime factors of 47122 are 2, 23561. Prime factorization of 47122 in exponential form is:

47122 = 21 × 235611

Prime Factorization of 47139

Prime factors of 47139 are 3, 19, 827. Prime factorization of 47139 in exponential form is:

47139 = 31 × 191 × 8271

Now multiplying the highest exponent prime factors to calculate the LCM of 47122 and 47139.

LCM(47122,47139) = 21 × 235611 × 31 × 191 × 8271
LCM(47122,47139) = 2221283958