LCM for 40 and 220
"Least Common Multiple" Calculator
What's the Least Common Multiple (LCM) of 40 and 220?
(Four hundred forty)
Finding LCM for 40 and 220 using GCF's of these numbers
The first method to find LCM for numbers 40 and 220 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:
LCM = (Number1 × Number2) ÷ GCF
GCF of numbers 40 and 220 is 20, so
LCM = (40 × 220) ÷ 20
LCM = 8800 ÷ 20
LCM = 440
Finding LCM for 40 and 220 by Listing Multiples
The second method to find LCM for numbers 40 and 220 is to list out the common multiples for both nubmers and pick the first which matching:
Multiples of 40: 40, 80, 120, 160, 200, 240, 280, 320, 360, 400, 440, 480, 520
Multiples of 220: 220, 440, 660, 880
So the LCM for 40 and 220 is 440
Finding LCM for 40 and 220 by Prime Factorization
Another method to find LCM for numbers 40 and 220 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:
All Prime Factors of 40: 2, 2, 2, 5 (exponent form: 23, 51)
All Prime Factors of 220: 2, 2, 5, 11 (exponent form: 22, 51, 111)
23 × 51 × 111 = 440
Related Calculations
See Also
- Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
About "Least Common Multiple" Calculator
Least Common Multiple (LCM) also known as the Lowest Common Multiple or Smallest Common Multiple of 2 numbers - it is the smallest positive integer that is divisible by both numbers
"Least Common Multiple" Calculator
LCM Table
Number 1 | Number 2 | LCM |
---|---|---|
25 | 220 | 1100 |
26 | 220 | 2860 |
27 | 220 | 5940 |
28 | 220 | 1540 |
29 | 220 | 6380 |
30 | 220 | 660 |
31 | 220 | 6820 |
32 | 220 | 1760 |
33 | 220 | 660 |
34 | 220 | 3740 |
35 | 220 | 1540 |
36 | 220 | 1980 |
37 | 220 | 8140 |
38 | 220 | 4180 |
39 | 220 | 8580 |
40 | 220 | 440 |
41 | 220 | 9020 |
42 | 220 | 4620 |
43 | 220 | 9460 |
44 | 220 | 220 |
45 | 220 | 1980 |
46 | 220 | 5060 |
47 | 220 | 10340 |
48 | 220 | 2640 |
49 | 220 | 10780 |
50 | 220 | 1100 |
51 | 220 | 11220 |
52 | 220 | 2860 |
53 | 220 | 11660 |
54 | 220 | 5940 |
FAQ
What's the Least Common Multiple (LCM) of 40 and 220?
See Also
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- Наименьшее общее кратное 40 и 220