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What is the Least Common Multiple of 75646 and 75665?

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 75646 and 75665 is 5723754590.

LCM(75646,75665) = 5723754590

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Least Common Multiple of 75646 and 75665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75646 and 75665, than apply into the LCM equation.

GCF(75646,75665) = 1
LCM(75646,75665) = ( 75646 × 75665) / 1
LCM(75646,75665) = 5723754590 / 1
LCM(75646,75665) = 5723754590

Least Common Multiple (LCM) of 75646 and 75665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75646 and 75665. First we will calculate the prime factors of 75646 and 75665.

Prime Factorization of 75646

Prime factors of 75646 are 2, 109, 347. Prime factorization of 75646 in exponential form is:

75646 = 21 × 1091 × 3471

Prime Factorization of 75665

Prime factors of 75665 are 5, 37, 409. Prime factorization of 75665 in exponential form is:

75665 = 51 × 371 × 4091

Now multiplying the highest exponent prime factors to calculate the LCM of 75646 and 75665.

LCM(75646,75665) = 21 × 1091 × 3471 × 51 × 371 × 4091
LCM(75646,75665) = 5723754590