GCF and LCM Calculator Logo

What is the Least Common Multiple of 47560 and 47580?

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 47560 and 47580 is 113145240.

LCM(47560,47580) = 113145240

LCM Calculator and
and

Least Common Multiple of 47560 and 47580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47560 and 47580, than apply into the LCM equation.

GCF(47560,47580) = 20
LCM(47560,47580) = ( 47560 × 47580) / 20
LCM(47560,47580) = 2262904800 / 20
LCM(47560,47580) = 113145240

Least Common Multiple (LCM) of 47560 and 47580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47560 and 47580. First we will calculate the prime factors of 47560 and 47580.

Prime Factorization of 47560

Prime factors of 47560 are 2, 5, 29, 41. Prime factorization of 47560 in exponential form is:

47560 = 23 × 51 × 291 × 411

Prime Factorization of 47580

Prime factors of 47580 are 2, 3, 5, 13, 61. Prime factorization of 47580 in exponential form is:

47580 = 22 × 31 × 51 × 131 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 47560 and 47580.

LCM(47560,47580) = 23 × 51 × 291 × 411 × 31 × 131 × 611
LCM(47560,47580) = 113145240