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What is the Least Common Multiple of 42619 and 42637?

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 42637 is 1817146303.

LCM(42619,42637) = 1817146303

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Least Common Multiple of 42619 and 42637 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 42637, than apply into the LCM equation.

GCF(42619,42637) = 1
LCM(42619,42637) = ( 42619 × 42637) / 1
LCM(42619,42637) = 1817146303 / 1
LCM(42619,42637) = 1817146303

Least Common Multiple (LCM) of 42619 and 42637 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42619 and 42637. First we will calculate the prime factors of 42619 and 42637.

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 42637

Prime factors of 42637 are 7, 6091. Prime factorization of 42637 in exponential form is:

42637 = 71 × 60911

Now multiplying the highest exponent prime factors to calculate the LCM of 42619 and 42637.

LCM(42619,42637) = 171 × 231 × 1091 × 71 × 60911
LCM(42619,42637) = 1817146303