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What is the Least Common Multiple of 55738 and 55742?

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 55738 and 55742 is 1553473798.

LCM(55738,55742) = 1553473798

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Least Common Multiple of 55738 and 55742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55738 and 55742, than apply into the LCM equation.

GCF(55738,55742) = 2
LCM(55738,55742) = ( 55738 × 55742) / 2
LCM(55738,55742) = 3106947596 / 2
LCM(55738,55742) = 1553473798

Least Common Multiple (LCM) of 55738 and 55742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55738 and 55742. First we will calculate the prime factors of 55738 and 55742.

Prime Factorization of 55738

Prime factors of 55738 are 2, 29, 31. Prime factorization of 55738 in exponential form is:

55738 = 21 × 291 × 312

Prime Factorization of 55742

Prime factors of 55742 are 2, 47, 593. Prime factorization of 55742 in exponential form is:

55742 = 21 × 471 × 5931

Now multiplying the highest exponent prime factors to calculate the LCM of 55738 and 55742.

LCM(55738,55742) = 21 × 291 × 312 × 471 × 5931
LCM(55738,55742) = 1553473798