What is the Least Common Multiple of 73620 and 73630?

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 73620 and 73630 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73620 and 73630, than apply into the LCM equation.

GCF(73620,73630) = 10
LCM(73620,73630) = ( 73620 × 73630) / 10
LCM(73620,73630) = 5420640600 / 10
LCM(73620,73630) = 542064060

Least Common Multiple (LCM) of 73620 and 73630 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73620 and 73630. First we will calculate the prime factors of 73620 and 73630.

Prime Factorization of 73620

Prime Factorization of 73630

Now multiplying the highest exponent prime factors to calculate the LCM of 73620 and 73630.

LCM(73620,73630) = 2² × 3² × 5¹ × 409¹ × 37¹ × 199¹
LCM(73620,73630) = 542064060