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What is the Least Common Multiple of 43821 and 43838?

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 43821 and 43838 is 1921024998.

LCM(43821,43838) = 1921024998

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Least Common Multiple of 43821 and 43838 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43821 and 43838, than apply into the LCM equation.

GCF(43821,43838) = 1
LCM(43821,43838) = ( 43821 × 43838) / 1
LCM(43821,43838) = 1921024998 / 1
LCM(43821,43838) = 1921024998

Least Common Multiple (LCM) of 43821 and 43838 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43821 and 43838. First we will calculate the prime factors of 43821 and 43838.

Prime Factorization of 43821

Prime factors of 43821 are 3, 541. Prime factorization of 43821 in exponential form is:

43821 = 34 × 5411

Prime Factorization of 43838

Prime factors of 43838 are 2, 23, 953. Prime factorization of 43838 in exponential form is:

43838 = 21 × 231 × 9531

Now multiplying the highest exponent prime factors to calculate the LCM of 43821 and 43838.

LCM(43821,43838) = 34 × 5411 × 21 × 231 × 9531
LCM(43821,43838) = 1921024998