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What is the Least Common Multiple of 70086 and 70091?

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 70086 and 70091 is 4912397826.

LCM(70086,70091) = 4912397826

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Least Common Multiple of 70086 and 70091 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70086 and 70091, than apply into the LCM equation.

GCF(70086,70091) = 1
LCM(70086,70091) = ( 70086 × 70091) / 1
LCM(70086,70091) = 4912397826 / 1
LCM(70086,70091) = 4912397826

Least Common Multiple (LCM) of 70086 and 70091 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70086 and 70091. First we will calculate the prime factors of 70086 and 70091.

Prime Factorization of 70086

Prime factors of 70086 are 2, 3, 11681. Prime factorization of 70086 in exponential form is:

70086 = 21 × 31 × 116811

Prime Factorization of 70091

Prime factors of 70091 are 7, 17, 19, 31. Prime factorization of 70091 in exponential form is:

70091 = 71 × 171 × 191 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 70086 and 70091.

LCM(70086,70091) = 21 × 31 × 116811 × 71 × 171 × 191 × 311
LCM(70086,70091) = 4912397826