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What is the Least Common Multiple of 20537 and 20551?

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 20537 and 20551 is 422055887.

LCM(20537,20551) = 422055887

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Least Common Multiple of 20537 and 20551 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20537 and 20551, than apply into the LCM equation.

GCF(20537,20551) = 1
LCM(20537,20551) = ( 20537 × 20551) / 1
LCM(20537,20551) = 422055887 / 1
LCM(20537,20551) = 422055887

Least Common Multiple (LCM) of 20537 and 20551 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20537 and 20551. First we will calculate the prime factors of 20537 and 20551.

Prime Factorization of 20537

Prime factors of 20537 are 11, 1867. Prime factorization of 20537 in exponential form is:

20537 = 111 × 18671

Prime Factorization of 20551

Prime factors of 20551 are 20551. Prime factorization of 20551 in exponential form is:

20551 = 205511

Now multiplying the highest exponent prime factors to calculate the LCM of 20537 and 20551.

LCM(20537,20551) = 111 × 18671 × 205511
LCM(20537,20551) = 422055887