LCM for 320 and 640

"Least Common Multiple" Calculator
Least Common Multiple of
and

What's the Least Common Multiple (LCM) of 320 and 640?

Answer

LCM of 320 and 640 is
640

First common multiples: 640; 1,280; 1,920; …

As a common denominator: multiply the top and bottom of x/320 by 2.

320 divides 640 (640 ÷ 320 = 2), so the LCM is the larger number itself.

320 = 26 × 5

640 = 27 × 5

Prime320640Highest power
2262727
5555

LCM = 27 × 5 = 640

More with these numbers

See Also

LCM Table

Number 1Number 2LCM
32062540,000
320626100,160
320627200,640
32062850,240
320629201,280
32063020,160
320631201,920
32063225,280
320633202,560
320634101,440
32063540,640
32063650,880
320637203,840
320638102,080
320639204,480
320640640
320641205,120
320642102,720
320643205,760
32064451,520
32064541,280
320646103,360
320647207,040
32064825,920
320649207,680
32065020,800
320651208,320
32065252,160
320653208,960
320654104,640

FAQ

What's the Least Common Multiple (LCM) of 320 and 640?

LCM of 320 and 640 is 640

How to find the LCM of 320 and 640 using prime factorization?

To find the LCM of 320 and 640, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 640.

What is the difference between LCM and GCF?

LCM (Least Common Multiple) is the smallest number divisible by both numbers, while GCF (Greatest Common Factor) is the largest number that divides both. For 320 and 640: LCM = 640, GCF = 320.

See Also