What is the Least Common Multiple of 77630 and 77640?

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 of 77630 and 77640 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77630 and 77640, than apply into the LCM equation.

GCF(77630,77640) = 10
LCM(77630,77640) = ( 77630 × 77640) / 10
LCM(77630,77640) = 6027193200 / 10
LCM(77630,77640) = 602719320

Least Common Multiple (LCM) of 77630 and 77640 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77630 and 77640. First we will calculate the prime factors of 77630 and 77640.

Prime Factorization of 77630

Prime Factorization of 77640

Now multiplying the highest exponent prime factors to calculate the LCM of 77630 and 77640.

LCM(77630,77640) = 2³ × 5¹ × 7¹ × 1109¹ × 3¹ × 647¹
LCM(77630,77640) = 602719320