What is the Least Common Multiple of 4060 and 4070?

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 4060 and 4070 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4060 and 4070, than apply into the LCM equation.

GCF(4060,4070) = 10
LCM(4060,4070) = ( 4060 × 4070) / 10
LCM(4060,4070) = 16524200 / 10
LCM(4060,4070) = 1652420

Least Common Multiple (LCM) of 4060 and 4070 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4060 and 4070. First we will calculate the prime factors of 4060 and 4070.

Prime Factorization of 4060

Prime Factorization of 4070

Now multiplying the highest exponent prime factors to calculate the LCM of 4060 and 4070.

LCM(4060,4070) = 2² × 5¹ × 7¹ × 29¹ × 11¹ × 37¹
LCM(4060,4070) = 1652420