What is the Least Common Multiple of 70080 and 70091?

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 70080 and 70091 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70080 and 70091, than apply into the LCM equation.

GCF(70080,70091) = 1
LCM(70080,70091) = ( 70080 × 70091) / 1
LCM(70080,70091) = 4911977280 / 1
LCM(70080,70091) = 4911977280

Least Common Multiple (LCM) of 70080 and 70091 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70080 and 70091. First we will calculate the prime factors of 70080 and 70091.

Prime Factorization of 70080

Prime Factorization of 70091

Now multiplying the highest exponent prime factors to calculate the LCM of 70080 and 70091.

LCM(70080,70091) = 2⁶ × 3¹ × 5¹ × 73¹ × 7¹ × 17¹ × 19¹ × 31¹
LCM(70080,70091) = 4911977280