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What is the Least Common Multiple of 47515 and 47530?

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 47515 and 47530 is 451677590.

LCM(47515,47530) = 451677590

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Least Common Multiple of 47515 and 47530 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47515 and 47530, than apply into the LCM equation.

GCF(47515,47530) = 5
LCM(47515,47530) = ( 47515 × 47530) / 5
LCM(47515,47530) = 2258387950 / 5
LCM(47515,47530) = 451677590

Least Common Multiple (LCM) of 47515 and 47530 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47515 and 47530. First we will calculate the prime factors of 47515 and 47530.

Prime Factorization of 47515

Prime factors of 47515 are 5, 13, 17, 43. Prime factorization of 47515 in exponential form is:

47515 = 51 × 131 × 171 × 431

Prime Factorization of 47530

Prime factors of 47530 are 2, 5, 7, 97. Prime factorization of 47530 in exponential form is:

47530 = 21 × 51 × 72 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 47515 and 47530.

LCM(47515,47530) = 51 × 131 × 171 × 431 × 21 × 72 × 971
LCM(47515,47530) = 451677590