What is the Least Common Multiple of 74920 and 74930?

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 74920 and 74930 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74920 and 74930, than apply into the LCM equation.

GCF(74920,74930) = 10
LCM(74920,74930) = ( 74920 × 74930) / 10
LCM(74920,74930) = 5613755600 / 10
LCM(74920,74930) = 561375560

Least Common Multiple (LCM) of 74920 and 74930 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74920 and 74930. First we will calculate the prime factors of 74920 and 74930.

Prime Factorization of 74920

Prime Factorization of 74930

Now multiplying the highest exponent prime factors to calculate the LCM of 74920 and 74930.

LCM(74920,74930) = 2³ × 5¹ × 1873¹ × 59¹ × 127¹
LCM(74920,74930) = 561375560