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What is the Least Common Multiple of 39604 and 39610?

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 39604 and 39610 is 784357220.

LCM(39604,39610) = 784357220

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Least Common Multiple of 39604 and 39610 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39604 and 39610, than apply into the LCM equation.

GCF(39604,39610) = 2
LCM(39604,39610) = ( 39604 × 39610) / 2
LCM(39604,39610) = 1568714440 / 2
LCM(39604,39610) = 784357220

Least Common Multiple (LCM) of 39604 and 39610 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39604 and 39610. First we will calculate the prime factors of 39604 and 39610.

Prime Factorization of 39604

Prime factors of 39604 are 2, 9901. Prime factorization of 39604 in exponential form is:

39604 = 22 × 99011

Prime Factorization of 39610

Prime factors of 39610 are 2, 5, 17, 233. Prime factorization of 39610 in exponential form is:

39610 = 21 × 51 × 171 × 2331

Now multiplying the highest exponent prime factors to calculate the LCM of 39604 and 39610.

LCM(39604,39610) = 22 × 99011 × 51 × 171 × 2331
LCM(39604,39610) = 784357220