What is the Least Common Multiple of 76760 and 76765?

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 76760 and 76765 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76760 and 76765, than apply into the LCM equation.

GCF(76760,76765) = 5
LCM(76760,76765) = ( 76760 × 76765) / 5
LCM(76760,76765) = 5892481400 / 5
LCM(76760,76765) = 1178496280

Least Common Multiple (LCM) of 76760 and 76765 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76760 and 76765. First we will calculate the prime factors of 76760 and 76765.

Prime Factorization of 76760

Prime Factorization of 76765

Now multiplying the highest exponent prime factors to calculate the LCM of 76760 and 76765.

LCM(76760,76765) = 2³ × 5¹ × 19¹ × 101¹ × 13¹ × 1181¹
LCM(76760,76765) = 1178496280