What is the Least Common Multiple of 70620 and 70630?

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 70620 and 70630 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70620 and 70630, than apply into the LCM equation.

GCF(70620,70630) = 10
LCM(70620,70630) = ( 70620 × 70630) / 10
LCM(70620,70630) = 4987890600 / 10
LCM(70620,70630) = 498789060

Least Common Multiple (LCM) of 70620 and 70630 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70620 and 70630. First we will calculate the prime factors of 70620 and 70630.

Prime Factorization of 70620

Prime Factorization of 70630

Now multiplying the highest exponent prime factors to calculate the LCM of 70620 and 70630.

LCM(70620,70630) = 2² × 3¹ × 5¹ × 11¹ × 107¹ × 7¹ × 1009¹
LCM(70620,70630) = 498789060