GCF and LCM Calculator Logo

What is the Least Common Multiple of 70959 and 70978?

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 70959 and 70978 is 5036527902.

LCM(70959,70978) = 5036527902

LCM Calculator and
and

Least Common Multiple of 70959 and 70978 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70959 and 70978, than apply into the LCM equation.

GCF(70959,70978) = 1
LCM(70959,70978) = ( 70959 × 70978) / 1
LCM(70959,70978) = 5036527902 / 1
LCM(70959,70978) = 5036527902

Least Common Multiple (LCM) of 70959 and 70978 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70959 and 70978. First we will calculate the prime factors of 70959 and 70978.

Prime Factorization of 70959

Prime factors of 70959 are 3, 7, 31, 109. Prime factorization of 70959 in exponential form is:

70959 = 31 × 71 × 311 × 1091

Prime Factorization of 70978

Prime factors of 70978 are 2, 23, 1543. Prime factorization of 70978 in exponential form is:

70978 = 21 × 231 × 15431

Now multiplying the highest exponent prime factors to calculate the LCM of 70959 and 70978.

LCM(70959,70978) = 31 × 71 × 311 × 1091 × 21 × 231 × 15431
LCM(70959,70978) = 5036527902