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What is the Least Common Multiple of 87686 and 87703?

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 87686 and 87703 is 452372074.

LCM(87686,87703) = 452372074

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Least Common Multiple of 87686 and 87703 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87686 and 87703, than apply into the LCM equation.

GCF(87686,87703) = 17
LCM(87686,87703) = ( 87686 × 87703) / 17
LCM(87686,87703) = 7690325258 / 17
LCM(87686,87703) = 452372074

Least Common Multiple (LCM) of 87686 and 87703 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87686 and 87703. First we will calculate the prime factors of 87686 and 87703.

Prime Factorization of 87686

Prime factors of 87686 are 2, 17, 2579. Prime factorization of 87686 in exponential form is:

87686 = 21 × 171 × 25791

Prime Factorization of 87703

Prime factors of 87703 are 7, 11, 17, 67. Prime factorization of 87703 in exponential form is:

87703 = 71 × 111 × 171 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 87686 and 87703.

LCM(87686,87703) = 21 × 171 × 25791 × 71 × 111 × 671
LCM(87686,87703) = 452372074