GCF and LCM Calculator Logo

What is the Least Common Multiple of 70870 and 70882?

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 70870 and 70882 is 2511703670.

LCM(70870,70882) = 2511703670

LCM Calculator and
and

Least Common Multiple of 70870 and 70882 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70870 and 70882, than apply into the LCM equation.

GCF(70870,70882) = 2
LCM(70870,70882) = ( 70870 × 70882) / 2
LCM(70870,70882) = 5023407340 / 2
LCM(70870,70882) = 2511703670

Least Common Multiple (LCM) of 70870 and 70882 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70870 and 70882. First we will calculate the prime factors of 70870 and 70882.

Prime Factorization of 70870

Prime factors of 70870 are 2, 5, 19, 373. Prime factorization of 70870 in exponential form is:

70870 = 21 × 51 × 191 × 3731

Prime Factorization of 70882

Prime factors of 70882 are 2, 7, 61, 83. Prime factorization of 70882 in exponential form is:

70882 = 21 × 71 × 611 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 70870 and 70882.

LCM(70870,70882) = 21 × 51 × 191 × 3731 × 71 × 611 × 831
LCM(70870,70882) = 2511703670