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What is the Least Common Multiple of 51570 and 51582?

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 51570 and 51582 is 443347290.

LCM(51570,51582) = 443347290

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Least Common Multiple of 51570 and 51582 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51570 and 51582, than apply into the LCM equation.

GCF(51570,51582) = 6
LCM(51570,51582) = ( 51570 × 51582) / 6
LCM(51570,51582) = 2660083740 / 6
LCM(51570,51582) = 443347290

Least Common Multiple (LCM) of 51570 and 51582 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51570 and 51582. First we will calculate the prime factors of 51570 and 51582.

Prime Factorization of 51570

Prime factors of 51570 are 2, 3, 5, 191. Prime factorization of 51570 in exponential form is:

51570 = 21 × 33 × 51 × 1911

Prime Factorization of 51582

Prime factors of 51582 are 2, 3, 8597. Prime factorization of 51582 in exponential form is:

51582 = 21 × 31 × 85971

Now multiplying the highest exponent prime factors to calculate the LCM of 51570 and 51582.

LCM(51570,51582) = 21 × 33 × 51 × 1911 × 85971
LCM(51570,51582) = 443347290