What is the Least Common Multiple of 64685 and 64692?

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 64685 and 64692 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64685 and 64692, than apply into the LCM equation.

GCF(64685,64692) = 1
LCM(64685,64692) = ( 64685 × 64692) / 1
LCM(64685,64692) = 4184602020 / 1
LCM(64685,64692) = 4184602020

Least Common Multiple (LCM) of 64685 and 64692 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64685 and 64692. First we will calculate the prime factors of 64685 and 64692.

Prime Factorization of 64685

Prime Factorization of 64692

Now multiplying the highest exponent prime factors to calculate the LCM of 64685 and 64692.

LCM(64685,64692) = 5¹ × 17¹ × 761¹ × 2² × 3³ × 599¹
LCM(64685,64692) = 4184602020