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What is the Least Common Multiple of 42617 and 42634?

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 42617 and 42634 is 1816933178.

LCM(42617,42634) = 1816933178

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Least Common Multiple of 42617 and 42634 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42617 and 42634, than apply into the LCM equation.

GCF(42617,42634) = 1
LCM(42617,42634) = ( 42617 × 42634) / 1
LCM(42617,42634) = 1816933178 / 1
LCM(42617,42634) = 1816933178

Least Common Multiple (LCM) of 42617 and 42634 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42617 and 42634. First we will calculate the prime factors of 42617 and 42634.

Prime Factorization of 42617

Prime factors of 42617 are 19, 2243. Prime factorization of 42617 in exponential form is:

42617 = 191 × 22431

Prime Factorization of 42634

Prime factors of 42634 are 2, 21317. Prime factorization of 42634 in exponential form is:

42634 = 21 × 213171

Now multiplying the highest exponent prime factors to calculate the LCM of 42617 and 42634.

LCM(42617,42634) = 191 × 22431 × 21 × 213171
LCM(42617,42634) = 1816933178