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What is the Least Common Multiple of 71476 and 71485?

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 71476 and 71485 is 5109461860.

LCM(71476,71485) = 5109461860

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Least Common Multiple of 71476 and 71485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71476 and 71485, than apply into the LCM equation.

GCF(71476,71485) = 1
LCM(71476,71485) = ( 71476 × 71485) / 1
LCM(71476,71485) = 5109461860 / 1
LCM(71476,71485) = 5109461860

Least Common Multiple (LCM) of 71476 and 71485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71476 and 71485. First we will calculate the prime factors of 71476 and 71485.

Prime Factorization of 71476

Prime factors of 71476 are 2, 107, 167. Prime factorization of 71476 in exponential form is:

71476 = 22 × 1071 × 1671

Prime Factorization of 71485

Prime factors of 71485 are 5, 17, 29. Prime factorization of 71485 in exponential form is:

71485 = 51 × 171 × 292

Now multiplying the highest exponent prime factors to calculate the LCM of 71476 and 71485.

LCM(71476,71485) = 22 × 1071 × 1671 × 51 × 171 × 292
LCM(71476,71485) = 5109461860