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What is the Least Common Multiple of 747 and 752?

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 752 is 561744.

LCM(747,752) = 561744

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Least Common Multiple of 747 and 752 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 752, than apply into the LCM equation.

GCF(747,752) = 1
LCM(747,752) = ( 747 × 752) / 1
LCM(747,752) = 561744 / 1
LCM(747,752) = 561744

Least Common Multiple (LCM) of 747 and 752 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 747 and 752. First we will calculate the prime factors of 747 and 752.

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 752

Prime factors of 752 are 2, 47. Prime factorization of 752 in exponential form is:

752 = 24 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 747 and 752.

LCM(747,752) = 32 × 831 × 24 × 471
LCM(747,752) = 561744