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What is the Least Common Multiple of 28959 and 28972?

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 28959 and 28972 is 839000148.

LCM(28959,28972) = 839000148

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Least Common Multiple of 28959 and 28972 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28959 and 28972, than apply into the LCM equation.

GCF(28959,28972) = 1
LCM(28959,28972) = ( 28959 × 28972) / 1
LCM(28959,28972) = 839000148 / 1
LCM(28959,28972) = 839000148

Least Common Multiple (LCM) of 28959 and 28972 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28959 and 28972. First we will calculate the prime factors of 28959 and 28972.

Prime Factorization of 28959

Prime factors of 28959 are 3, 7, 197. Prime factorization of 28959 in exponential form is:

28959 = 31 × 72 × 1971

Prime Factorization of 28972

Prime factors of 28972 are 2, 7243. Prime factorization of 28972 in exponential form is:

28972 = 22 × 72431

Now multiplying the highest exponent prime factors to calculate the LCM of 28959 and 28972.

LCM(28959,28972) = 31 × 72 × 1971 × 22 × 72431
LCM(28959,28972) = 839000148