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What is the Least Common Multiple of 8678 and 8686?

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 8678 and 8686 is 37688554.

LCM(8678,8686) = 37688554

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Least Common Multiple of 8678 and 8686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8678 and 8686, than apply into the LCM equation.

GCF(8678,8686) = 2
LCM(8678,8686) = ( 8678 × 8686) / 2
LCM(8678,8686) = 75377108 / 2
LCM(8678,8686) = 37688554

Least Common Multiple (LCM) of 8678 and 8686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8678 and 8686. First we will calculate the prime factors of 8678 and 8686.

Prime Factorization of 8678

Prime factors of 8678 are 2, 4339. Prime factorization of 8678 in exponential form is:

8678 = 21 × 43391

Prime Factorization of 8686

Prime factors of 8686 are 2, 43, 101. Prime factorization of 8686 in exponential form is:

8686 = 21 × 431 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 8678 and 8686.

LCM(8678,8686) = 21 × 43391 × 431 × 1011
LCM(8678,8686) = 37688554