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What is the Least Common Multiple of 70500 and 70517?

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 70500 and 70517 is 4971448500.

LCM(70500,70517) = 4971448500

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Least Common Multiple of 70500 and 70517 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70500 and 70517, than apply into the LCM equation.

GCF(70500,70517) = 1
LCM(70500,70517) = ( 70500 × 70517) / 1
LCM(70500,70517) = 4971448500 / 1
LCM(70500,70517) = 4971448500

Least Common Multiple (LCM) of 70500 and 70517 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70500 and 70517. First we will calculate the prime factors of 70500 and 70517.

Prime Factorization of 70500

Prime factors of 70500 are 2, 3, 5, 47. Prime factorization of 70500 in exponential form is:

70500 = 22 × 31 × 53 × 471

Prime Factorization of 70517

Prime factors of 70517 are 151, 467. Prime factorization of 70517 in exponential form is:

70517 = 1511 × 4671

Now multiplying the highest exponent prime factors to calculate the LCM of 70500 and 70517.

LCM(70500,70517) = 22 × 31 × 53 × 471 × 1511 × 4671
LCM(70500,70517) = 4971448500