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What is the Least Common Multiple of 13560 and 13574?

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 13560 and 13574 is 92031720.

LCM(13560,13574) = 92031720

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Least Common Multiple of 13560 and 13574 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13560 and 13574, than apply into the LCM equation.

GCF(13560,13574) = 2
LCM(13560,13574) = ( 13560 × 13574) / 2
LCM(13560,13574) = 184063440 / 2
LCM(13560,13574) = 92031720

Least Common Multiple (LCM) of 13560 and 13574 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13560 and 13574. First we will calculate the prime factors of 13560 and 13574.

Prime Factorization of 13560

Prime factors of 13560 are 2, 3, 5, 113. Prime factorization of 13560 in exponential form is:

13560 = 23 × 31 × 51 × 1131

Prime Factorization of 13574

Prime factors of 13574 are 2, 11, 617. Prime factorization of 13574 in exponential form is:

13574 = 21 × 111 × 6171

Now multiplying the highest exponent prime factors to calculate the LCM of 13560 and 13574.

LCM(13560,13574) = 23 × 31 × 51 × 1131 × 111 × 6171
LCM(13560,13574) = 92031720