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What is the Least Common Multiple of 38538 and 38551?

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 38538 and 38551 is 1485678438.

LCM(38538,38551) = 1485678438

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Least Common Multiple of 38538 and 38551 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38538 and 38551, than apply into the LCM equation.

GCF(38538,38551) = 1
LCM(38538,38551) = ( 38538 × 38551) / 1
LCM(38538,38551) = 1485678438 / 1
LCM(38538,38551) = 1485678438

Least Common Multiple (LCM) of 38538 and 38551 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38538 and 38551. First we will calculate the prime factors of 38538 and 38551.

Prime Factorization of 38538

Prime factors of 38538 are 2, 3, 2141. Prime factorization of 38538 in exponential form is:

38538 = 21 × 32 × 21411

Prime Factorization of 38551

Prime factors of 38551 are 19, 2029. Prime factorization of 38551 in exponential form is:

38551 = 191 × 20291

Now multiplying the highest exponent prime factors to calculate the LCM of 38538 and 38551.

LCM(38538,38551) = 21 × 32 × 21411 × 191 × 20291
LCM(38538,38551) = 1485678438