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What is the Least Common Multiple of 87906 and 87917?

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 87906 and 87917 is 7728431802.

LCM(87906,87917) = 7728431802

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Least Common Multiple of 87906 and 87917 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87906 and 87917, than apply into the LCM equation.

GCF(87906,87917) = 1
LCM(87906,87917) = ( 87906 × 87917) / 1
LCM(87906,87917) = 7728431802 / 1
LCM(87906,87917) = 7728431802

Least Common Multiple (LCM) of 87906 and 87917 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87906 and 87917. First we will calculate the prime factors of 87906 and 87917.

Prime Factorization of 87906

Prime factors of 87906 are 2, 3, 7, 13, 23. Prime factorization of 87906 in exponential form is:

87906 = 21 × 31 × 72 × 131 × 231

Prime Factorization of 87917

Prime factors of 87917 are 87917. Prime factorization of 87917 in exponential form is:

87917 = 879171

Now multiplying the highest exponent prime factors to calculate the LCM of 87906 and 87917.

LCM(87906,87917) = 21 × 31 × 72 × 131 × 231 × 879171
LCM(87906,87917) = 7728431802