What is the Least Common Multiple of 61990 and 62006?

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 61990 and 62006 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61990 and 62006, than apply into the LCM equation.

GCF(61990,62006) = 2
LCM(61990,62006) = ( 61990 × 62006) / 2
LCM(61990,62006) = 3843751940 / 2
LCM(61990,62006) = 1921875970

Least Common Multiple (LCM) of 61990 and 62006 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61990 and 62006. First we will calculate the prime factors of 61990 and 62006.

Prime Factorization of 61990

Prime Factorization of 62006

Now multiplying the highest exponent prime factors to calculate the LCM of 61990 and 62006.

LCM(61990,62006) = 2¹ × 5¹ × 6199¹ × 7¹ × 43¹ × 103¹
LCM(61990,62006) = 1921875970