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What is the Least Common Multiple of 754 and 765?

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 754 and 765 is 576810.

LCM(754,765) = 576810

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Least Common Multiple of 754 and 765 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 754 and 765, than apply into the LCM equation.

GCF(754,765) = 1
LCM(754,765) = ( 754 × 765) / 1
LCM(754,765) = 576810 / 1
LCM(754,765) = 576810

Least Common Multiple (LCM) of 754 and 765 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 754 and 765. First we will calculate the prime factors of 754 and 765.

Prime Factorization of 754

Prime factors of 754 are 2, 13, 29. Prime factorization of 754 in exponential form is:

754 = 21 × 131 × 291

Prime Factorization of 765

Prime factors of 765 are 3, 5, 17. Prime factorization of 765 in exponential form is:

765 = 32 × 51 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 754 and 765.

LCM(754,765) = 21 × 131 × 291 × 32 × 51 × 171
LCM(754,765) = 576810