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What is the Least Common Multiple of 55642 and 55649?

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 55642 and 55649 is 3096421658.

LCM(55642,55649) = 3096421658

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Least Common Multiple of 55642 and 55649 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55642 and 55649, than apply into the LCM equation.

GCF(55642,55649) = 1
LCM(55642,55649) = ( 55642 × 55649) / 1
LCM(55642,55649) = 3096421658 / 1
LCM(55642,55649) = 3096421658

Least Common Multiple (LCM) of 55642 and 55649 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55642 and 55649. First we will calculate the prime factors of 55642 and 55649.

Prime Factorization of 55642

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

55642 = 21 × 431 × 6471

Prime Factorization of 55649

Prime factors of 55649 are 11, 5059. Prime factorization of 55649 in exponential form is:

55649 = 111 × 50591

Now multiplying the highest exponent prime factors to calculate the LCM of 55642 and 55649.

LCM(55642,55649) = 21 × 431 × 6471 × 111 × 50591
LCM(55642,55649) = 3096421658