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What is the Least Common Multiple of 8686 and 8690?

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 8686 and 8690 is 37740670.

LCM(8686,8690) = 37740670

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Least Common Multiple of 8686 and 8690 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8686 and 8690, than apply into the LCM equation.

GCF(8686,8690) = 2
LCM(8686,8690) = ( 8686 × 8690) / 2
LCM(8686,8690) = 75481340 / 2
LCM(8686,8690) = 37740670

Least Common Multiple (LCM) of 8686 and 8690 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8686 and 8690. First we will calculate the prime factors of 8686 and 8690.

Prime Factorization of 8686

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

8686 = 21 × 431 × 1011

Prime Factorization of 8690

Prime factors of 8690 are 2, 5, 11, 79. Prime factorization of 8690 in exponential form is:

8690 = 21 × 51 × 111 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 8686 and 8690.

LCM(8686,8690) = 21 × 431 × 1011 × 51 × 111 × 791
LCM(8686,8690) = 37740670