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What is the Least Common Multiple of 21066 and 21073?

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 21066 and 21073 is 443923818.

LCM(21066,21073) = 443923818

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Least Common Multiple of 21066 and 21073 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21066 and 21073, than apply into the LCM equation.

GCF(21066,21073) = 1
LCM(21066,21073) = ( 21066 × 21073) / 1
LCM(21066,21073) = 443923818 / 1
LCM(21066,21073) = 443923818

Least Common Multiple (LCM) of 21066 and 21073 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21066 and 21073. First we will calculate the prime factors of 21066 and 21073.

Prime Factorization of 21066

Prime factors of 21066 are 2, 3, 3511. Prime factorization of 21066 in exponential form is:

21066 = 21 × 31 × 35111

Prime Factorization of 21073

Prime factors of 21073 are 13, 1621. Prime factorization of 21073 in exponential form is:

21073 = 131 × 16211

Now multiplying the highest exponent prime factors to calculate the LCM of 21066 and 21073.

LCM(21066,21073) = 21 × 31 × 35111 × 131 × 16211
LCM(21066,21073) = 443923818