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What is the Least Common Multiple of 751 and 771?

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 751 and 771 is 579021.

LCM(751,771) = 579021

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Least Common Multiple of 751 and 771 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 751 and 771, than apply into the LCM equation.

GCF(751,771) = 1
LCM(751,771) = ( 751 × 771) / 1
LCM(751,771) = 579021 / 1
LCM(751,771) = 579021

Least Common Multiple (LCM) of 751 and 771 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 751 and 771. First we will calculate the prime factors of 751 and 771.

Prime Factorization of 751

Prime factors of 751 are 751. Prime factorization of 751 in exponential form is:

751 = 7511

Prime Factorization of 771

Prime factors of 771 are 3, 257. Prime factorization of 771 in exponential form is:

771 = 31 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 751 and 771.

LCM(751,771) = 7511 × 31 × 2571
LCM(751,771) = 579021