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What is the Least Common Multiple of 8679 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 8679 and 8690 is 6856410.

LCM(8679,8690) = 6856410

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Least Common Multiple of 8679 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 8679 and 8690, than apply into the LCM equation.

GCF(8679,8690) = 11
LCM(8679,8690) = ( 8679 × 8690) / 11
LCM(8679,8690) = 75420510 / 11
LCM(8679,8690) = 6856410

Least Common Multiple (LCM) of 8679 and 8690 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8679 and 8690. First we will calculate the prime factors of 8679 and 8690.

Prime Factorization of 8679

Prime factors of 8679 are 3, 11, 263. Prime factorization of 8679 in exponential form is:

8679 = 31 × 111 × 2631

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 8679 and 8690.

LCM(8679,8690) = 31 × 111 × 2631 × 21 × 51 × 791
LCM(8679,8690) = 6856410