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What is the Least Common Multiple of 78744 and 78757?

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 78744 and 78757 is 6201641208.

LCM(78744,78757) = 6201641208

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Least Common Multiple of 78744 and 78757 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78744 and 78757, than apply into the LCM equation.

GCF(78744,78757) = 1
LCM(78744,78757) = ( 78744 × 78757) / 1
LCM(78744,78757) = 6201641208 / 1
LCM(78744,78757) = 6201641208

Least Common Multiple (LCM) of 78744 and 78757 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78744 and 78757. First we will calculate the prime factors of 78744 and 78757.

Prime Factorization of 78744

Prime factors of 78744 are 2, 3, 17, 193. Prime factorization of 78744 in exponential form is:

78744 = 23 × 31 × 171 × 1931

Prime Factorization of 78757

Prime factors of 78757 are 7, 11251. Prime factorization of 78757 in exponential form is:

78757 = 71 × 112511

Now multiplying the highest exponent prime factors to calculate the LCM of 78744 and 78757.

LCM(78744,78757) = 23 × 31 × 171 × 1931 × 71 × 112511
LCM(78744,78757) = 6201641208