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What is the Least Common Multiple of 39622 and 39642?

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 39622 and 39642 is 785347662.

LCM(39622,39642) = 785347662

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Least Common Multiple of 39622 and 39642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39622 and 39642, than apply into the LCM equation.

GCF(39622,39642) = 2
LCM(39622,39642) = ( 39622 × 39642) / 2
LCM(39622,39642) = 1570695324 / 2
LCM(39622,39642) = 785347662

Least Common Multiple (LCM) of 39622 and 39642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39622 and 39642. First we will calculate the prime factors of 39622 and 39642.

Prime Factorization of 39622

Prime factors of 39622 are 2, 11, 1801. Prime factorization of 39622 in exponential form is:

39622 = 21 × 111 × 18011

Prime Factorization of 39642

Prime factors of 39642 are 2, 3, 6607. Prime factorization of 39642 in exponential form is:

39642 = 21 × 31 × 66071

Now multiplying the highest exponent prime factors to calculate the LCM of 39622 and 39642.

LCM(39622,39642) = 21 × 111 × 18011 × 31 × 66071
LCM(39622,39642) = 785347662