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What is the Least Common Multiple of 84738 and 84755?

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 84738 and 84755 is 7181969190.

LCM(84738,84755) = 7181969190

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Least Common Multiple of 84738 and 84755 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84738 and 84755, than apply into the LCM equation.

GCF(84738,84755) = 1
LCM(84738,84755) = ( 84738 × 84755) / 1
LCM(84738,84755) = 7181969190 / 1
LCM(84738,84755) = 7181969190

Least Common Multiple (LCM) of 84738 and 84755 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84738 and 84755. First we will calculate the prime factors of 84738 and 84755.

Prime Factorization of 84738

Prime factors of 84738 are 2, 3, 29, 487. Prime factorization of 84738 in exponential form is:

84738 = 21 × 31 × 291 × 4871

Prime Factorization of 84755

Prime factors of 84755 are 5, 11, 23, 67. Prime factorization of 84755 in exponential form is:

84755 = 51 × 111 × 231 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 84738 and 84755.

LCM(84738,84755) = 21 × 31 × 291 × 4871 × 51 × 111 × 231 × 671
LCM(84738,84755) = 7181969190