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What is the Least Common Multiple of 28919 and 28938?

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 28919 and 28938 is 836858022.

LCM(28919,28938) = 836858022

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Least Common Multiple of 28919 and 28938 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28919 and 28938, than apply into the LCM equation.

GCF(28919,28938) = 1
LCM(28919,28938) = ( 28919 × 28938) / 1
LCM(28919,28938) = 836858022 / 1
LCM(28919,28938) = 836858022

Least Common Multiple (LCM) of 28919 and 28938 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28919 and 28938. First we will calculate the prime factors of 28919 and 28938.

Prime Factorization of 28919

Prime factors of 28919 are 11, 239. Prime factorization of 28919 in exponential form is:

28919 = 112 × 2391

Prime Factorization of 28938

Prime factors of 28938 are 2, 3, 7, 13, 53. Prime factorization of 28938 in exponential form is:

28938 = 21 × 31 × 71 × 131 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 28919 and 28938.

LCM(28919,28938) = 112 × 2391 × 21 × 31 × 71 × 131 × 531
LCM(28919,28938) = 836858022