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What is the Least Common Multiple of 68604 and 68615?

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 68604 and 68615 is 4707263460.

LCM(68604,68615) = 4707263460

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Least Common Multiple of 68604 and 68615 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68604 and 68615, than apply into the LCM equation.

GCF(68604,68615) = 1
LCM(68604,68615) = ( 68604 × 68615) / 1
LCM(68604,68615) = 4707263460 / 1
LCM(68604,68615) = 4707263460

Least Common Multiple (LCM) of 68604 and 68615 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68604 and 68615. First we will calculate the prime factors of 68604 and 68615.

Prime Factorization of 68604

Prime factors of 68604 are 2, 3, 5717. Prime factorization of 68604 in exponential form is:

68604 = 22 × 31 × 57171

Prime Factorization of 68615

Prime factors of 68615 are 5, 13723. Prime factorization of 68615 in exponential form is:

68615 = 51 × 137231

Now multiplying the highest exponent prime factors to calculate the LCM of 68604 and 68615.

LCM(68604,68615) = 22 × 31 × 57171 × 51 × 137231
LCM(68604,68615) = 4707263460