GCF and LCM Calculator Logo

What is the Least Common Multiple of 70917 and 70931?

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 70917 and 70931 is 718601961.

LCM(70917,70931) = 718601961

LCM Calculator and
and

Least Common Multiple of 70917 and 70931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70917 and 70931, than apply into the LCM equation.

GCF(70917,70931) = 7
LCM(70917,70931) = ( 70917 × 70931) / 7
LCM(70917,70931) = 5030213727 / 7
LCM(70917,70931) = 718601961

Least Common Multiple (LCM) of 70917 and 70931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70917 and 70931. First we will calculate the prime factors of 70917 and 70931.

Prime Factorization of 70917

Prime factors of 70917 are 3, 7, 11, 307. Prime factorization of 70917 in exponential form is:

70917 = 31 × 71 × 111 × 3071

Prime Factorization of 70931

Prime factors of 70931 are 7, 10133. Prime factorization of 70931 in exponential form is:

70931 = 71 × 101331

Now multiplying the highest exponent prime factors to calculate the LCM of 70917 and 70931.

LCM(70917,70931) = 31 × 71 × 111 × 3071 × 101331
LCM(70917,70931) = 718601961