GCF and LCM Calculator Logo

What is the Least Common Multiple of 30778 and 30791?

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 30778 and 30791 is 947685398.

LCM(30778,30791) = 947685398

LCM Calculator and
and

Least Common Multiple of 30778 and 30791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30778 and 30791, than apply into the LCM equation.

GCF(30778,30791) = 1
LCM(30778,30791) = ( 30778 × 30791) / 1
LCM(30778,30791) = 947685398 / 1
LCM(30778,30791) = 947685398

Least Common Multiple (LCM) of 30778 and 30791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30778 and 30791. First we will calculate the prime factors of 30778 and 30791.

Prime Factorization of 30778

Prime factors of 30778 are 2, 11, 1399. Prime factorization of 30778 in exponential form is:

30778 = 21 × 111 × 13991

Prime Factorization of 30791

Prime factors of 30791 are 41, 751. Prime factorization of 30791 in exponential form is:

30791 = 411 × 7511

Now multiplying the highest exponent prime factors to calculate the LCM of 30778 and 30791.

LCM(30778,30791) = 21 × 111 × 13991 × 411 × 7511
LCM(30778,30791) = 947685398