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What is the Least Common Multiple of 38871 and 38891?

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 38871 and 38891 is 1511732061.

LCM(38871,38891) = 1511732061

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Least Common Multiple of 38871 and 38891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38871 and 38891, than apply into the LCM equation.

GCF(38871,38891) = 1
LCM(38871,38891) = ( 38871 × 38891) / 1
LCM(38871,38891) = 1511732061 / 1
LCM(38871,38891) = 1511732061

Least Common Multiple (LCM) of 38871 and 38891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38871 and 38891. First we will calculate the prime factors of 38871 and 38891.

Prime Factorization of 38871

Prime factors of 38871 are 3, 7, 617. Prime factorization of 38871 in exponential form is:

38871 = 32 × 71 × 6171

Prime Factorization of 38891

Prime factors of 38891 are 38891. Prime factorization of 38891 in exponential form is:

38891 = 388911

Now multiplying the highest exponent prime factors to calculate the LCM of 38871 and 38891.

LCM(38871,38891) = 32 × 71 × 6171 × 388911
LCM(38871,38891) = 1511732061