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What is the Least Common Multiple of 42619 and 42623?

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 42619 and 42623 is 1816549637.

LCM(42619,42623) = 1816549637

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Least Common Multiple of 42619 and 42623 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42619 and 42623, than apply into the LCM equation.

GCF(42619,42623) = 1
LCM(42619,42623) = ( 42619 × 42623) / 1
LCM(42619,42623) = 1816549637 / 1
LCM(42619,42623) = 1816549637

Least Common Multiple (LCM) of 42619 and 42623 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42619 and 42623. First we will calculate the prime factors of 42619 and 42623.

Prime Factorization of 42619

Prime factors of 42619 are 17, 23, 109. Prime factorization of 42619 in exponential form is:

42619 = 171 × 231 × 1091

Prime Factorization of 42623

Prime factors of 42623 are 7, 6089. Prime factorization of 42623 in exponential form is:

42623 = 71 × 60891

Now multiplying the highest exponent prime factors to calculate the LCM of 42619 and 42623.

LCM(42619,42623) = 171 × 231 × 1091 × 71 × 60891
LCM(42619,42623) = 1816549637