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What is the Least Common Multiple of 70761 and 70781?

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 70761 and 70781 is 5008534341.

LCM(70761,70781) = 5008534341

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Least Common Multiple of 70761 and 70781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70761 and 70781, than apply into the LCM equation.

GCF(70761,70781) = 1
LCM(70761,70781) = ( 70761 × 70781) / 1
LCM(70761,70781) = 5008534341 / 1
LCM(70761,70781) = 5008534341

Least Common Multiple (LCM) of 70761 and 70781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70761 and 70781. First we will calculate the prime factors of 70761 and 70781.

Prime Factorization of 70761

Prime factors of 70761 are 3, 103, 229. Prime factorization of 70761 in exponential form is:

70761 = 31 × 1031 × 2291

Prime Factorization of 70781

Prime factors of 70781 are 37, 1913. Prime factorization of 70781 in exponential form is:

70781 = 371 × 19131

Now multiplying the highest exponent prime factors to calculate the LCM of 70761 and 70781.

LCM(70761,70781) = 31 × 1031 × 2291 × 371 × 19131
LCM(70761,70781) = 5008534341