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What is the Least Common Multiple of 130 and 136?

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 130 and 136 is 8840.

LCM(130,136) = 8840

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Least Common Multiple of 130 and 136 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 130 and 136, than apply into the LCM equation.

GCF(130,136) = 2
LCM(130,136) = ( 130 × 136) / 2
LCM(130,136) = 17680 / 2
LCM(130,136) = 8840

Least Common Multiple (LCM) of 130 and 136 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 130 and 136. First we will calculate the prime factors of 130 and 136.

Prime Factorization of 130

Prime factors of 130 are 2, 5, 13. Prime factorization of 130 in exponential form is:

130 = 21 × 51 × 131

Prime Factorization of 136

Prime factors of 136 are 2, 17. Prime factorization of 136 in exponential form is:

136 = 23 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 130 and 136.

LCM(130,136) = 23 × 51 × 131 × 171
LCM(130,136) = 8840