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What is the Least Common Multiple of 87515 and 87528?

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 87515 and 87528 is 7660012920.

LCM(87515,87528) = 7660012920

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Least Common Multiple of 87515 and 87528 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87515 and 87528, than apply into the LCM equation.

GCF(87515,87528) = 1
LCM(87515,87528) = ( 87515 × 87528) / 1
LCM(87515,87528) = 7660012920 / 1
LCM(87515,87528) = 7660012920

Least Common Multiple (LCM) of 87515 and 87528 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87515 and 87528. First we will calculate the prime factors of 87515 and 87528.

Prime Factorization of 87515

Prime factors of 87515 are 5, 23, 761. Prime factorization of 87515 in exponential form is:

87515 = 51 × 231 × 7611

Prime Factorization of 87528

Prime factors of 87528 are 2, 3, 7, 521. Prime factorization of 87528 in exponential form is:

87528 = 23 × 31 × 71 × 5211

Now multiplying the highest exponent prime factors to calculate the LCM of 87515 and 87528.

LCM(87515,87528) = 51 × 231 × 7611 × 23 × 31 × 71 × 5211
LCM(87515,87528) = 7660012920