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What is the Least Common Multiple of 84747 and 84765?

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 84747 and 84765 is 2394526485.

LCM(84747,84765) = 2394526485

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Least Common Multiple of 84747 and 84765 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84747 and 84765, than apply into the LCM equation.

GCF(84747,84765) = 3
LCM(84747,84765) = ( 84747 × 84765) / 3
LCM(84747,84765) = 7183579455 / 3
LCM(84747,84765) = 2394526485

Least Common Multiple (LCM) of 84747 and 84765 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84747 and 84765. First we will calculate the prime factors of 84747 and 84765.

Prime Factorization of 84747

Prime factors of 84747 are 3, 13, 41, 53. Prime factorization of 84747 in exponential form is:

84747 = 31 × 131 × 411 × 531

Prime Factorization of 84765

Prime factors of 84765 are 3, 5, 5651. Prime factorization of 84765 in exponential form is:

84765 = 31 × 51 × 56511

Now multiplying the highest exponent prime factors to calculate the LCM of 84747 and 84765.

LCM(84747,84765) = 31 × 131 × 411 × 531 × 51 × 56511
LCM(84747,84765) = 2394526485