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What is the Least Common Multiple of 3910 and 3924?

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 3910 and 3924 is 7671420.

LCM(3910,3924) = 7671420

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Least Common Multiple of 3910 and 3924 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3910 and 3924, than apply into the LCM equation.

GCF(3910,3924) = 2
LCM(3910,3924) = ( 3910 × 3924) / 2
LCM(3910,3924) = 15342840 / 2
LCM(3910,3924) = 7671420

Least Common Multiple (LCM) of 3910 and 3924 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3910 and 3924. First we will calculate the prime factors of 3910 and 3924.

Prime Factorization of 3910

Prime factors of 3910 are 2, 5, 17, 23. Prime factorization of 3910 in exponential form is:

3910 = 21 × 51 × 171 × 231

Prime Factorization of 3924

Prime factors of 3924 are 2, 3, 109. Prime factorization of 3924 in exponential form is:

3924 = 22 × 32 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 3910 and 3924.

LCM(3910,3924) = 22 × 51 × 171 × 231 × 32 × 1091
LCM(3910,3924) = 7671420