GCF and LCM Calculator Logo

What is the Least Common Multiple of 70782 and 70791?

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 70782 and 70791 is 1670242854.

LCM(70782,70791) = 1670242854

LCM Calculator and
and

Least Common Multiple of 70782 and 70791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70782 and 70791, than apply into the LCM equation.

GCF(70782,70791) = 3
LCM(70782,70791) = ( 70782 × 70791) / 3
LCM(70782,70791) = 5010728562 / 3
LCM(70782,70791) = 1670242854

Least Common Multiple (LCM) of 70782 and 70791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70782 and 70791. First we will calculate the prime factors of 70782 and 70791.

Prime Factorization of 70782

Prime factors of 70782 are 2, 3, 47, 251. Prime factorization of 70782 in exponential form is:

70782 = 21 × 31 × 471 × 2511

Prime Factorization of 70791

Prime factors of 70791 are 3, 7, 3371. Prime factorization of 70791 in exponential form is:

70791 = 31 × 71 × 33711

Now multiplying the highest exponent prime factors to calculate the LCM of 70782 and 70791.

LCM(70782,70791) = 21 × 31 × 471 × 2511 × 71 × 33711
LCM(70782,70791) = 1670242854