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What is the Least Common Multiple of 747 and 751?

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 747 and 751 is 560997.

LCM(747,751) = 560997

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Least Common Multiple of 747 and 751 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 747 and 751, than apply into the LCM equation.

GCF(747,751) = 1
LCM(747,751) = ( 747 × 751) / 1
LCM(747,751) = 560997 / 1
LCM(747,751) = 560997

Least Common Multiple (LCM) of 747 and 751 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 747 and 751. First we will calculate the prime factors of 747 and 751.

Prime Factorization of 747

Prime factors of 747 are 3, 83. Prime factorization of 747 in exponential form is:

747 = 32 × 831

Prime Factorization of 751

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

751 = 7511

Now multiplying the highest exponent prime factors to calculate the LCM of 747 and 751.

LCM(747,751) = 32 × 831 × 7511
LCM(747,751) = 560997