GCF and LCM Calculator Logo

What is the Least Common Multiple of 47972 and 47984?

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 47972 and 47984 is 575472112.

LCM(47972,47984) = 575472112

LCM Calculator and
and

Least Common Multiple of 47972 and 47984 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47972 and 47984, than apply into the LCM equation.

GCF(47972,47984) = 4
LCM(47972,47984) = ( 47972 × 47984) / 4
LCM(47972,47984) = 2301888448 / 4
LCM(47972,47984) = 575472112

Least Common Multiple (LCM) of 47972 and 47984 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47972 and 47984. First we will calculate the prime factors of 47972 and 47984.

Prime Factorization of 47972

Prime factors of 47972 are 2, 67, 179. Prime factorization of 47972 in exponential form is:

47972 = 22 × 671 × 1791

Prime Factorization of 47984

Prime factors of 47984 are 2, 2999. Prime factorization of 47984 in exponential form is:

47984 = 24 × 29991

Now multiplying the highest exponent prime factors to calculate the LCM of 47972 and 47984.

LCM(47972,47984) = 24 × 671 × 1791 × 29991
LCM(47972,47984) = 575472112