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What is the Least Common Multiple of 87715 and 87722?

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 87715 and 87722 is 7694535230.

LCM(87715,87722) = 7694535230

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Least Common Multiple of 87715 and 87722 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87715 and 87722, than apply into the LCM equation.

GCF(87715,87722) = 1
LCM(87715,87722) = ( 87715 × 87722) / 1
LCM(87715,87722) = 7694535230 / 1
LCM(87715,87722) = 7694535230

Least Common Multiple (LCM) of 87715 and 87722 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87715 and 87722. First we will calculate the prime factors of 87715 and 87722.

Prime Factorization of 87715

Prime factors of 87715 are 5, 53, 331. Prime factorization of 87715 in exponential form is:

87715 = 51 × 531 × 3311

Prime Factorization of 87722

Prime factors of 87722 are 2, 23, 1907. Prime factorization of 87722 in exponential form is:

87722 = 21 × 231 × 19071

Now multiplying the highest exponent prime factors to calculate the LCM of 87715 and 87722.

LCM(87715,87722) = 51 × 531 × 3311 × 21 × 231 × 19071
LCM(87715,87722) = 7694535230