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What is the Least Common Multiple of 45642 and 45658?

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 45642 and 45658 is 1041961218.

LCM(45642,45658) = 1041961218

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Least Common Multiple of 45642 and 45658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45642 and 45658, than apply into the LCM equation.

GCF(45642,45658) = 2
LCM(45642,45658) = ( 45642 × 45658) / 2
LCM(45642,45658) = 2083922436 / 2
LCM(45642,45658) = 1041961218

Least Common Multiple (LCM) of 45642 and 45658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45642 and 45658. First we will calculate the prime factors of 45642 and 45658.

Prime Factorization of 45642

Prime factors of 45642 are 2, 3, 7607. Prime factorization of 45642 in exponential form is:

45642 = 21 × 31 × 76071

Prime Factorization of 45658

Prime factors of 45658 are 2, 37, 617. Prime factorization of 45658 in exponential form is:

45658 = 21 × 371 × 6171

Now multiplying the highest exponent prime factors to calculate the LCM of 45642 and 45658.

LCM(45642,45658) = 21 × 31 × 76071 × 371 × 6171
LCM(45642,45658) = 1041961218