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What is the Least Common Multiple of 28961 and 28974?

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 28961 and 28974 is 839116014.

LCM(28961,28974) = 839116014

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Least Common Multiple of 28961 and 28974 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28961 and 28974, than apply into the LCM equation.

GCF(28961,28974) = 1
LCM(28961,28974) = ( 28961 × 28974) / 1
LCM(28961,28974) = 839116014 / 1
LCM(28961,28974) = 839116014

Least Common Multiple (LCM) of 28961 and 28974 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28961 and 28974. First we will calculate the prime factors of 28961 and 28974.

Prime Factorization of 28961

Prime factors of 28961 are 28961. Prime factorization of 28961 in exponential form is:

28961 = 289611

Prime Factorization of 28974

Prime factors of 28974 are 2, 3, 11, 439. Prime factorization of 28974 in exponential form is:

28974 = 21 × 31 × 111 × 4391

Now multiplying the highest exponent prime factors to calculate the LCM of 28961 and 28974.

LCM(28961,28974) = 289611 × 21 × 31 × 111 × 4391
LCM(28961,28974) = 839116014