What is the Least Common Multiple of 70761 and 70770?

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 70761 and 70770 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70761 and 70770, than apply into the LCM equation.

GCF(70761,70770) = 3
LCM(70761,70770) = ( 70761 × 70770) / 3
LCM(70761,70770) = 5007755970 / 3
LCM(70761,70770) = 1669251990

Least Common Multiple (LCM) of 70761 and 70770 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70761 and 70770. First we will calculate the prime factors of 70761 and 70770.

Prime Factorization of 70761

Prime Factorization of 70770

Now multiplying the highest exponent prime factors to calculate the LCM of 70761 and 70770.

LCM(70761,70770) = 3¹ × 103¹ × 229¹ × 2¹ × 5¹ × 7¹ × 337¹
LCM(70761,70770) = 1669251990