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What is the Least Common Multiple of 86956 and 86961?

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 86956 and 86961 is 7561780716.

LCM(86956,86961) = 7561780716

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Least Common Multiple of 86956 and 86961 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86956 and 86961, than apply into the LCM equation.

GCF(86956,86961) = 1
LCM(86956,86961) = ( 86956 × 86961) / 1
LCM(86956,86961) = 7561780716 / 1
LCM(86956,86961) = 7561780716

Least Common Multiple (LCM) of 86956 and 86961 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86956 and 86961. First we will calculate the prime factors of 86956 and 86961.

Prime Factorization of 86956

Prime factors of 86956 are 2, 21739. Prime factorization of 86956 in exponential form is:

86956 = 22 × 217391

Prime Factorization of 86961

Prime factors of 86961 are 3, 7, 41, 101. Prime factorization of 86961 in exponential form is:

86961 = 31 × 71 × 411 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 86956 and 86961.

LCM(86956,86961) = 22 × 217391 × 31 × 71 × 411 × 1011
LCM(86956,86961) = 7561780716