GCF and LCM Calculator Logo

What is the Least Common Multiple of 70720 and 70739?

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 70720 and 70739 is 5002662080.

LCM(70720,70739) = 5002662080

LCM Calculator and
and

Least Common Multiple of 70720 and 70739 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70720 and 70739, than apply into the LCM equation.

GCF(70720,70739) = 1
LCM(70720,70739) = ( 70720 × 70739) / 1
LCM(70720,70739) = 5002662080 / 1
LCM(70720,70739) = 5002662080

Least Common Multiple (LCM) of 70720 and 70739 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70720 and 70739. First we will calculate the prime factors of 70720 and 70739.

Prime Factorization of 70720

Prime factors of 70720 are 2, 5, 13, 17. Prime factorization of 70720 in exponential form is:

70720 = 26 × 51 × 131 × 171

Prime Factorization of 70739

Prime factors of 70739 are 127, 557. Prime factorization of 70739 in exponential form is:

70739 = 1271 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 70720 and 70739.

LCM(70720,70739) = 26 × 51 × 131 × 171 × 1271 × 5571
LCM(70720,70739) = 5002662080