What is the Least Common Multiple of 63670 and 63680?

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 63670 and 63680 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63670 and 63680, than apply into the LCM equation.

GCF(63670,63680) = 10
LCM(63670,63680) = ( 63670 × 63680) / 10
LCM(63670,63680) = 4054505600 / 10
LCM(63670,63680) = 405450560

Least Common Multiple (LCM) of 63670 and 63680 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63670 and 63680. First we will calculate the prime factors of 63670 and 63680.

Prime Factorization of 63670

Prime Factorization of 63680

Now multiplying the highest exponent prime factors to calculate the LCM of 63670 and 63680.

LCM(63670,63680) = 2⁶ × 5¹ × 6367¹ × 199¹
LCM(63670,63680) = 405450560