GCF and LCM Calculator Logo

What is the Least Common Multiple of 78752 and 78764?

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 78752 and 78764 is 1550705632.

LCM(78752,78764) = 1550705632

LCM Calculator and
and

Least Common Multiple of 78752 and 78764 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78752 and 78764, than apply into the LCM equation.

GCF(78752,78764) = 4
LCM(78752,78764) = ( 78752 × 78764) / 4
LCM(78752,78764) = 6202822528 / 4
LCM(78752,78764) = 1550705632

Least Common Multiple (LCM) of 78752 and 78764 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78752 and 78764. First we will calculate the prime factors of 78752 and 78764.

Prime Factorization of 78752

Prime factors of 78752 are 2, 23, 107. Prime factorization of 78752 in exponential form is:

78752 = 25 × 231 × 1071

Prime Factorization of 78764

Prime factors of 78764 are 2, 7, 29, 97. Prime factorization of 78764 in exponential form is:

78764 = 22 × 71 × 291 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 78752 and 78764.

LCM(78752,78764) = 25 × 231 × 1071 × 71 × 291 × 971
LCM(78752,78764) = 1550705632