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What is the Least Common Multiple of 28938 and 28954?

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 28938 and 28954 is 418935426.

LCM(28938,28954) = 418935426

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Least Common Multiple of 28938 and 28954 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28938 and 28954, than apply into the LCM equation.

GCF(28938,28954) = 2
LCM(28938,28954) = ( 28938 × 28954) / 2
LCM(28938,28954) = 837870852 / 2
LCM(28938,28954) = 418935426

Least Common Multiple (LCM) of 28938 and 28954 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28938 and 28954. First we will calculate the prime factors of 28938 and 28954.

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

Prime Factorization of 28954

Prime factors of 28954 are 2, 31, 467. Prime factorization of 28954 in exponential form is:

28954 = 21 × 311 × 4671

Now multiplying the highest exponent prime factors to calculate the LCM of 28938 and 28954.

LCM(28938,28954) = 21 × 31 × 71 × 131 × 531 × 311 × 4671
LCM(28938,28954) = 418935426