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What is the Least Common Multiple of 87685 and 87694?

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 87685 and 87694 is 7689448390.

LCM(87685,87694) = 7689448390

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Least Common Multiple of 87685 and 87694 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87685 and 87694, than apply into the LCM equation.

GCF(87685,87694) = 1
LCM(87685,87694) = ( 87685 × 87694) / 1
LCM(87685,87694) = 7689448390 / 1
LCM(87685,87694) = 7689448390

Least Common Multiple (LCM) of 87685 and 87694 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87685 and 87694. First we will calculate the prime factors of 87685 and 87694.

Prime Factorization of 87685

Prime factors of 87685 are 5, 13, 19, 71. Prime factorization of 87685 in exponential form is:

87685 = 51 × 131 × 191 × 711

Prime Factorization of 87694

Prime factors of 87694 are 2, 163, 269. Prime factorization of 87694 in exponential form is:

87694 = 21 × 1631 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 87685 and 87694.

LCM(87685,87694) = 51 × 131 × 191 × 711 × 21 × 1631 × 2691
LCM(87685,87694) = 7689448390