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What is the Least Common Multiple of 38556 and 38561?

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 38556 and 38561 is 1486757916.

LCM(38556,38561) = 1486757916

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Least Common Multiple of 38556 and 38561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38556 and 38561, than apply into the LCM equation.

GCF(38556,38561) = 1
LCM(38556,38561) = ( 38556 × 38561) / 1
LCM(38556,38561) = 1486757916 / 1
LCM(38556,38561) = 1486757916

Least Common Multiple (LCM) of 38556 and 38561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38556 and 38561. First we will calculate the prime factors of 38556 and 38561.

Prime Factorization of 38556

Prime factors of 38556 are 2, 3, 7, 17. Prime factorization of 38556 in exponential form is:

38556 = 22 × 34 × 71 × 171

Prime Factorization of 38561

Prime factors of 38561 are 38561. Prime factorization of 38561 in exponential form is:

38561 = 385611

Now multiplying the highest exponent prime factors to calculate the LCM of 38556 and 38561.

LCM(38556,38561) = 22 × 34 × 71 × 171 × 385611
LCM(38556,38561) = 1486757916