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What is the Least Common Multiple of 64685 and 64701?

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 64685 and 64701 is 4185184185.

LCM(64685,64701) = 4185184185

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Least Common Multiple of 64685 and 64701 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64685 and 64701, than apply into the LCM equation.

GCF(64685,64701) = 1
LCM(64685,64701) = ( 64685 × 64701) / 1
LCM(64685,64701) = 4185184185 / 1
LCM(64685,64701) = 4185184185

Least Common Multiple (LCM) of 64685 and 64701 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64685 and 64701. First we will calculate the prime factors of 64685 and 64701.

Prime Factorization of 64685

Prime factors of 64685 are 5, 17, 761. Prime factorization of 64685 in exponential form is:

64685 = 51 × 171 × 7611

Prime Factorization of 64701

Prime factors of 64701 are 3, 7, 13, 79. Prime factorization of 64701 in exponential form is:

64701 = 32 × 71 × 131 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 64685 and 64701.

LCM(64685,64701) = 51 × 171 × 7611 × 32 × 71 × 131 × 791
LCM(64685,64701) = 4185184185