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What is the Least Common Multiple of 43630 and 43638?

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 43630 and 43638 is 951962970.

LCM(43630,43638) = 951962970

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Least Common Multiple of 43630 and 43638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43630 and 43638, than apply into the LCM equation.

GCF(43630,43638) = 2
LCM(43630,43638) = ( 43630 × 43638) / 2
LCM(43630,43638) = 1903925940 / 2
LCM(43630,43638) = 951962970

Least Common Multiple (LCM) of 43630 and 43638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43630 and 43638. First we will calculate the prime factors of 43630 and 43638.

Prime Factorization of 43630

Prime factors of 43630 are 2, 5, 4363. Prime factorization of 43630 in exponential form is:

43630 = 21 × 51 × 43631

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

Now multiplying the highest exponent prime factors to calculate the LCM of 43630 and 43638.

LCM(43630,43638) = 21 × 51 × 43631 × 31 × 71 × 10391
LCM(43630,43638) = 951962970