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What is the Least Common Multiple of 15766 and 15770?

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 15766 and 15770 is 124314910.

LCM(15766,15770) = 124314910

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Least Common Multiple of 15766 and 15770 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15766 and 15770, than apply into the LCM equation.

GCF(15766,15770) = 2
LCM(15766,15770) = ( 15766 × 15770) / 2
LCM(15766,15770) = 248629820 / 2
LCM(15766,15770) = 124314910

Least Common Multiple (LCM) of 15766 and 15770 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15766 and 15770. First we will calculate the prime factors of 15766 and 15770.

Prime Factorization of 15766

Prime factors of 15766 are 2, 7883. Prime factorization of 15766 in exponential form is:

15766 = 21 × 78831

Prime Factorization of 15770

Prime factors of 15770 are 2, 5, 19, 83. Prime factorization of 15770 in exponential form is:

15770 = 21 × 51 × 191 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 15766 and 15770.

LCM(15766,15770) = 21 × 78831 × 51 × 191 × 831
LCM(15766,15770) = 124314910