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What is the Least Common Multiple of 55622 and 55642?

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 55622 and 55642 is 1547459662.

LCM(55622,55642) = 1547459662

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Least Common Multiple of 55622 and 55642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55622 and 55642, than apply into the LCM equation.

GCF(55622,55642) = 2
LCM(55622,55642) = ( 55622 × 55642) / 2
LCM(55622,55642) = 3094919324 / 2
LCM(55622,55642) = 1547459662

Least Common Multiple (LCM) of 55622 and 55642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55622 and 55642. First we will calculate the prime factors of 55622 and 55642.

Prime Factorization of 55622

Prime factors of 55622 are 2, 7, 29, 137. Prime factorization of 55622 in exponential form is:

55622 = 21 × 71 × 291 × 1371

Prime Factorization of 55642

Prime factors of 55642 are 2, 43, 647. Prime factorization of 55642 in exponential form is:

55642 = 21 × 431 × 6471

Now multiplying the highest exponent prime factors to calculate the LCM of 55622 and 55642.

LCM(55622,55642) = 21 × 71 × 291 × 1371 × 431 × 6471
LCM(55622,55642) = 1547459662