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What is the Least Common Multiple of 70520 and 70539?

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 70520 and 70539 is 4974410280.

LCM(70520,70539) = 4974410280

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Least Common Multiple of 70520 and 70539 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70520 and 70539, than apply into the LCM equation.

GCF(70520,70539) = 1
LCM(70520,70539) = ( 70520 × 70539) / 1
LCM(70520,70539) = 4974410280 / 1
LCM(70520,70539) = 4974410280

Least Common Multiple (LCM) of 70520 and 70539 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70520 and 70539. First we will calculate the prime factors of 70520 and 70539.

Prime Factorization of 70520

Prime factors of 70520 are 2, 5, 41, 43. Prime factorization of 70520 in exponential form is:

70520 = 23 × 51 × 411 × 431

Prime Factorization of 70539

Prime factors of 70539 are 3, 7, 3359. Prime factorization of 70539 in exponential form is:

70539 = 31 × 71 × 33591

Now multiplying the highest exponent prime factors to calculate the LCM of 70520 and 70539.

LCM(70520,70539) = 23 × 51 × 411 × 431 × 31 × 71 × 33591
LCM(70520,70539) = 4974410280