What is the Least Common Multiple of 71516 and 71534?

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 71516 and 71534 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71516 and 71534, than apply into the LCM equation.

GCF(71516,71534) = 2
LCM(71516,71534) = ( 71516 × 71534) / 2
LCM(71516,71534) = 5115825544 / 2
LCM(71516,71534) = 2557912772

Least Common Multiple (LCM) of 71516 and 71534 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71516 and 71534. First we will calculate the prime factors of 71516 and 71534.

Prime Factorization of 71516

Prime Factorization of 71534

Now multiplying the highest exponent prime factors to calculate the LCM of 71516 and 71534.

LCM(71516,71534) = 2² × 19¹ × 941¹ × 47¹ × 761¹
LCM(71516,71534) = 2557912772