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What is the Least Common Multiple of 28737 and 28755?

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 28737 and 28755 is 91814715.

LCM(28737,28755) = 91814715

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Least Common Multiple of 28737 and 28755 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28737 and 28755, than apply into the LCM equation.

GCF(28737,28755) = 9
LCM(28737,28755) = ( 28737 × 28755) / 9
LCM(28737,28755) = 826332435 / 9
LCM(28737,28755) = 91814715

Least Common Multiple (LCM) of 28737 and 28755 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28737 and 28755. First we will calculate the prime factors of 28737 and 28755.

Prime Factorization of 28737

Prime factors of 28737 are 3, 31, 103. Prime factorization of 28737 in exponential form is:

28737 = 32 × 311 × 1031

Prime Factorization of 28755

Prime factors of 28755 are 3, 5, 71. Prime factorization of 28755 in exponential form is:

28755 = 34 × 51 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 28737 and 28755.

LCM(28737,28755) = 34 × 311 × 1031 × 51 × 711
LCM(28737,28755) = 91814715