GCF and LCM Calculator Logo

What is the Least Common Multiple of 72762 and 72772?

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 72762 and 72772 is 2647518132.

LCM(72762,72772) = 2647518132

LCM Calculator and
and

Least Common Multiple of 72762 and 72772 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72762 and 72772, than apply into the LCM equation.

GCF(72762,72772) = 2
LCM(72762,72772) = ( 72762 × 72772) / 2
LCM(72762,72772) = 5295036264 / 2
LCM(72762,72772) = 2647518132

Least Common Multiple (LCM) of 72762 and 72772 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72762 and 72772. First we will calculate the prime factors of 72762 and 72772.

Prime Factorization of 72762

Prime factors of 72762 are 2, 3, 67, 181. Prime factorization of 72762 in exponential form is:

72762 = 21 × 31 × 671 × 1811

Prime Factorization of 72772

Prime factors of 72772 are 2, 7, 23, 113. Prime factorization of 72772 in exponential form is:

72772 = 22 × 71 × 231 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 72762 and 72772.

LCM(72762,72772) = 22 × 31 × 671 × 1811 × 71 × 231 × 1131
LCM(72762,72772) = 2647518132