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What is the Least Common Multiple of 71020 and 71038?

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 71020 and 71038 is 2522559380.

LCM(71020,71038) = 2522559380

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Least Common Multiple of 71020 and 71038 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71020 and 71038, than apply into the LCM equation.

GCF(71020,71038) = 2
LCM(71020,71038) = ( 71020 × 71038) / 2
LCM(71020,71038) = 5045118760 / 2
LCM(71020,71038) = 2522559380

Least Common Multiple (LCM) of 71020 and 71038 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71020 and 71038. First we will calculate the prime factors of 71020 and 71038.

Prime Factorization of 71020

Prime factors of 71020 are 2, 5, 53, 67. Prime factorization of 71020 in exponential form is:

71020 = 22 × 51 × 531 × 671

Prime Factorization of 71038

Prime factors of 71038 are 2, 11, 3229. Prime factorization of 71038 in exponential form is:

71038 = 21 × 111 × 32291

Now multiplying the highest exponent prime factors to calculate the LCM of 71020 and 71038.

LCM(71020,71038) = 22 × 51 × 531 × 671 × 111 × 32291
LCM(71020,71038) = 2522559380