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What is the Least Common Multiple of 21043 and 21061?

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 21043 and 21061 is 443186623.

LCM(21043,21061) = 443186623

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Least Common Multiple of 21043 and 21061 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21043 and 21061, than apply into the LCM equation.

GCF(21043,21061) = 1
LCM(21043,21061) = ( 21043 × 21061) / 1
LCM(21043,21061) = 443186623 / 1
LCM(21043,21061) = 443186623

Least Common Multiple (LCM) of 21043 and 21061 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21043 and 21061. First we will calculate the prime factors of 21043 and 21061.

Prime Factorization of 21043

Prime factors of 21043 are 11, 1913. Prime factorization of 21043 in exponential form is:

21043 = 111 × 19131

Prime Factorization of 21061

Prime factors of 21061 are 21061. Prime factorization of 21061 in exponential form is:

21061 = 210611

Now multiplying the highest exponent prime factors to calculate the LCM of 21043 and 21061.

LCM(21043,21061) = 111 × 19131 × 210611
LCM(21043,21061) = 443186623