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What is the Least Common Multiple of 31528 and 31534?

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 (LCM) of 31528 and 31534 is 497101976.

LCM(31528,31534) = 497101976

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Least Common Multiple of 31528 and 31534 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31528 and 31534, than apply into the LCM equation.

GCF(31528,31534) = 2
LCM(31528,31534) = ( 31528 × 31534) / 2
LCM(31528,31534) = 994203952 / 2
LCM(31528,31534) = 497101976

Least Common Multiple (LCM) of 31528 and 31534 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31528 and 31534. First we will calculate the prime factors of 31528 and 31534.

Prime Factorization of 31528

Prime factors of 31528 are 2, 7, 563. Prime factorization of 31528 in exponential form is:

31528 = 23 × 71 × 5631

Prime Factorization of 31534

Prime factors of 31534 are 2, 15767. Prime factorization of 31534 in exponential form is:

31534 = 21 × 157671

Now multiplying the highest exponent prime factors to calculate the LCM of 31528 and 31534.

LCM(31528,31534) = 23 × 71 × 5631 × 157671
LCM(31528,31534) = 497101976