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What is the Least Common Multiple of 27685 and 27698?

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 27685 and 27698 is 766819130.

LCM(27685,27698) = 766819130

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Least Common Multiple of 27685 and 27698 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27685 and 27698, than apply into the LCM equation.

GCF(27685,27698) = 1
LCM(27685,27698) = ( 27685 × 27698) / 1
LCM(27685,27698) = 766819130 / 1
LCM(27685,27698) = 766819130

Least Common Multiple (LCM) of 27685 and 27698 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27685 and 27698. First we will calculate the prime factors of 27685 and 27698.

Prime Factorization of 27685

Prime factors of 27685 are 5, 7, 113. Prime factorization of 27685 in exponential form is:

27685 = 51 × 72 × 1131

Prime Factorization of 27698

Prime factors of 27698 are 2, 11, 1259. Prime factorization of 27698 in exponential form is:

27698 = 21 × 111 × 12591

Now multiplying the highest exponent prime factors to calculate the LCM of 27685 and 27698.

LCM(27685,27698) = 51 × 72 × 1131 × 21 × 111 × 12591
LCM(27685,27698) = 766819130