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What is the Least Common Multiple of 28940 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 28940 and 28954 is 418964380.

LCM(28940,28954) = 418964380

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Least Common Multiple of 28940 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 28940 and 28954, than apply into the LCM equation.

GCF(28940,28954) = 2
LCM(28940,28954) = ( 28940 × 28954) / 2
LCM(28940,28954) = 837928760 / 2
LCM(28940,28954) = 418964380

Least Common Multiple (LCM) of 28940 and 28954 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28940 and 28954. First we will calculate the prime factors of 28940 and 28954.

Prime Factorization of 28940

Prime factors of 28940 are 2, 5, 1447. Prime factorization of 28940 in exponential form is:

28940 = 22 × 51 × 14471

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 28940 and 28954.

LCM(28940,28954) = 22 × 51 × 14471 × 311 × 4671
LCM(28940,28954) = 418964380