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What is the Least Common Multiple of 20937 and 20953?

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 20937 and 20953 is 438692961.

LCM(20937,20953) = 438692961

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Least Common Multiple of 20937 and 20953 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20937 and 20953, than apply into the LCM equation.

GCF(20937,20953) = 1
LCM(20937,20953) = ( 20937 × 20953) / 1
LCM(20937,20953) = 438692961 / 1
LCM(20937,20953) = 438692961

Least Common Multiple (LCM) of 20937 and 20953 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20937 and 20953. First we will calculate the prime factors of 20937 and 20953.

Prime Factorization of 20937

Prime factors of 20937 are 3, 7, 997. Prime factorization of 20937 in exponential form is:

20937 = 31 × 71 × 9971

Prime Factorization of 20953

Prime factors of 20953 are 23, 911. Prime factorization of 20953 in exponential form is:

20953 = 231 × 9111

Now multiplying the highest exponent prime factors to calculate the LCM of 20937 and 20953.

LCM(20937,20953) = 31 × 71 × 9971 × 231 × 9111
LCM(20937,20953) = 438692961