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What is the Least Common Multiple of 61124 and 61142?

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 61124 and 61142 is 1868621804.

LCM(61124,61142) = 1868621804

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Least Common Multiple of 61124 and 61142 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61124 and 61142, than apply into the LCM equation.

GCF(61124,61142) = 2
LCM(61124,61142) = ( 61124 × 61142) / 2
LCM(61124,61142) = 3737243608 / 2
LCM(61124,61142) = 1868621804

Least Common Multiple (LCM) of 61124 and 61142 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61124 and 61142. First we will calculate the prime factors of 61124 and 61142.

Prime Factorization of 61124

Prime factors of 61124 are 2, 7, 37, 59. Prime factorization of 61124 in exponential form is:

61124 = 22 × 71 × 371 × 591

Prime Factorization of 61142

Prime factors of 61142 are 2, 19, 1609. Prime factorization of 61142 in exponential form is:

61142 = 21 × 191 × 16091

Now multiplying the highest exponent prime factors to calculate the LCM of 61124 and 61142.

LCM(61124,61142) = 22 × 71 × 371 × 591 × 191 × 16091
LCM(61124,61142) = 1868621804