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What is the Least Common Multiple of 55742 and 55746?

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 55742 and 55746 is 1553696766.

LCM(55742,55746) = 1553696766

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Least Common Multiple of 55742 and 55746 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55742 and 55746, than apply into the LCM equation.

GCF(55742,55746) = 2
LCM(55742,55746) = ( 55742 × 55746) / 2
LCM(55742,55746) = 3107393532 / 2
LCM(55742,55746) = 1553696766

Least Common Multiple (LCM) of 55742 and 55746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55742 and 55746. First we will calculate the prime factors of 55742 and 55746.

Prime Factorization of 55742

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

55742 = 21 × 471 × 5931

Prime Factorization of 55746

Prime factors of 55746 are 2, 3, 19, 163. Prime factorization of 55746 in exponential form is:

55746 = 21 × 32 × 191 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 55742 and 55746.

LCM(55742,55746) = 21 × 471 × 5931 × 32 × 191 × 1631
LCM(55742,55746) = 1553696766