What is the Least Common Multiple of 77570 and 77590?

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 77570 and 77590 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77570 and 77590, than apply into the LCM equation.

GCF(77570,77590) = 10
LCM(77570,77590) = ( 77570 × 77590) / 10
LCM(77570,77590) = 6018656300 / 10
LCM(77570,77590) = 601865630

Least Common Multiple (LCM) of 77570 and 77590 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77570 and 77590. First we will calculate the prime factors of 77570 and 77590.

Prime Factorization of 77570

Prime Factorization of 77590

Now multiplying the highest exponent prime factors to calculate the LCM of 77570 and 77590.

LCM(77570,77590) = 2¹ × 5¹ × 7757¹ × 7759¹
LCM(77570,77590) = 601865630