What is the Least Common Multiple of 85434 and 85438?

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 85434 and 85438 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85434 and 85438, than apply into the LCM equation.

GCF(85434,85438) = 2
LCM(85434,85438) = ( 85434 × 85438) / 2
LCM(85434,85438) = 7299310092 / 2
LCM(85434,85438) = 3649655046

Least Common Multiple (LCM) of 85434 and 85438 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85434 and 85438. First we will calculate the prime factors of 85434 and 85438.

Prime Factorization of 85434

Prime Factorization of 85438

Now multiplying the highest exponent prime factors to calculate the LCM of 85434 and 85438.

LCM(85434,85438) = 2¹ × 3¹ × 29¹ × 491¹ × 42719¹
LCM(85434,85438) = 3649655046