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What is the Least Common Multiple of 42071 and 42082?

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 42071 and 42082 is 1770431822.

LCM(42071,42082) = 1770431822

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Least Common Multiple of 42071 and 42082 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42071 and 42082, than apply into the LCM equation.

GCF(42071,42082) = 1
LCM(42071,42082) = ( 42071 × 42082) / 1
LCM(42071,42082) = 1770431822 / 1
LCM(42071,42082) = 1770431822

Least Common Multiple (LCM) of 42071 and 42082 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42071 and 42082. First we will calculate the prime factors of 42071 and 42082.

Prime Factorization of 42071

Prime factors of 42071 are 42071. Prime factorization of 42071 in exponential form is:

42071 = 420711

Prime Factorization of 42082

Prime factors of 42082 are 2, 53, 397. Prime factorization of 42082 in exponential form is:

42082 = 21 × 531 × 3971

Now multiplying the highest exponent prime factors to calculate the LCM of 42071 and 42082.

LCM(42071,42082) = 420711 × 21 × 531 × 3971
LCM(42071,42082) = 1770431822