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What is the Least Common Multiple of 55624 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 55624 and 55642 is 1547515304.

LCM(55624,55642) = 1547515304

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Least Common Multiple of 55624 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 55624 and 55642, than apply into the LCM equation.

GCF(55624,55642) = 2
LCM(55624,55642) = ( 55624 × 55642) / 2
LCM(55624,55642) = 3095030608 / 2
LCM(55624,55642) = 1547515304

Least Common Multiple (LCM) of 55624 and 55642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55624 and 55642. First we will calculate the prime factors of 55624 and 55642.

Prime Factorization of 55624

Prime factors of 55624 are 2, 17, 409. Prime factorization of 55624 in exponential form is:

55624 = 23 × 171 × 4091

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 55624 and 55642.

LCM(55624,55642) = 23 × 171 × 4091 × 431 × 6471
LCM(55624,55642) = 1547515304