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What is the Least Common Multiple of 70521 and 70528?

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 70521 and 70528 is 4973705088.

LCM(70521,70528) = 4973705088

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Least Common Multiple of 70521 and 70528 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70521 and 70528, than apply into the LCM equation.

GCF(70521,70528) = 1
LCM(70521,70528) = ( 70521 × 70528) / 1
LCM(70521,70528) = 4973705088 / 1
LCM(70521,70528) = 4973705088

Least Common Multiple (LCM) of 70521 and 70528 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70521 and 70528. First we will calculate the prime factors of 70521 and 70528.

Prime Factorization of 70521

Prime factors of 70521 are 3, 11, 2137. Prime factorization of 70521 in exponential form is:

70521 = 31 × 111 × 21371

Prime Factorization of 70528

Prime factors of 70528 are 2, 19, 29. Prime factorization of 70528 in exponential form is:

70528 = 27 × 191 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 70521 and 70528.

LCM(70521,70528) = 31 × 111 × 21371 × 27 × 191 × 291
LCM(70521,70528) = 4973705088