What is the Least Common Multiple of 62420 and 62435?

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 62420 and 62435 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 62420 and 62435, than apply into the LCM equation.

GCF(62420,62435) = 5
LCM(62420,62435) = ( 62420 × 62435) / 5
LCM(62420,62435) = 3897192700 / 5
LCM(62420,62435) = 779438540

Least Common Multiple (LCM) of 62420 and 62435 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 62420 and 62435. First we will calculate the prime factors of 62420 and 62435.

Prime Factorization of 62420

Prime Factorization of 62435

Now multiplying the highest exponent prime factors to calculate the LCM of 62420 and 62435.

LCM(62420,62435) = 2² × 5¹ × 3121¹ × 12487¹
LCM(62420,62435) = 779438540