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What is the Least Common Multiple of 91642 and 91647?

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 91642 and 91647 is 8398714374.

LCM(91642,91647) = 8398714374

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Least Common Multiple of 91642 and 91647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91642 and 91647, than apply into the LCM equation.

GCF(91642,91647) = 1
LCM(91642,91647) = ( 91642 × 91647) / 1
LCM(91642,91647) = 8398714374 / 1
LCM(91642,91647) = 8398714374

Least Common Multiple (LCM) of 91642 and 91647 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91642 and 91647. First we will calculate the prime factors of 91642 and 91647.

Prime Factorization of 91642

Prime factors of 91642 are 2, 45821. Prime factorization of 91642 in exponential form is:

91642 = 21 × 458211

Prime Factorization of 91647

Prime factors of 91647 are 3, 17, 599. Prime factorization of 91647 in exponential form is:

91647 = 32 × 171 × 5991

Now multiplying the highest exponent prime factors to calculate the LCM of 91642 and 91647.

LCM(91642,91647) = 21 × 458211 × 32 × 171 × 5991
LCM(91642,91647) = 8398714374