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What is the Least Common Multiple of 43638 and 43651?

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 43638 and 43651 is 1904842338.

LCM(43638,43651) = 1904842338

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Least Common Multiple of 43638 and 43651 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43638 and 43651, than apply into the LCM equation.

GCF(43638,43651) = 1
LCM(43638,43651) = ( 43638 × 43651) / 1
LCM(43638,43651) = 1904842338 / 1
LCM(43638,43651) = 1904842338

Least Common Multiple (LCM) of 43638 and 43651 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43638 and 43651. First we will calculate the prime factors of 43638 and 43651.

Prime Factorization of 43638

Prime factors of 43638 are 2, 3, 7, 1039. Prime factorization of 43638 in exponential form is:

43638 = 21 × 31 × 71 × 10391

Prime Factorization of 43651

Prime factors of 43651 are 43651. Prime factorization of 43651 in exponential form is:

43651 = 436511

Now multiplying the highest exponent prime factors to calculate the LCM of 43638 and 43651.

LCM(43638,43651) = 21 × 31 × 71 × 10391 × 436511
LCM(43638,43651) = 1904842338