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What are the factors of 70 up to 490?
It is likely that you mean "multiples." Factors go into numbers, numbers go into multiples. You can't have a factor higher than the original number. 70, 140, 210, 280, 350, 420, 490 But, just in case... 1, 2, 5, 7, 10, 14, 35, 70
What are the multiples of one number that are also multiples of another number?
Common denominators. These are called "common multiples". For example, multiples of 4 are: 4,8,12,16,20,24 ... . Multiples of 6 are: 6,12,18,24,30,36 ... . The numbers on both lists are the common multiples and they include: 12,24,36, ... . Specifically, the smallest number in any such list of common multiples (12 in this example) is known as the Least (or Lowest) Common Multiple or LCM.
What must number 6 have 3 other multiples of?
Multiples of 6 must also be multiples of 1, 2 and 3.
Are 30 and 2 multiples of 60?
There is an infinite number of common multiples for 30 and 60. A common multiple of any two or more numbers is any number into which each of two or more numbers can be divided evenly (zero remainder). However, the least or lowest common multiple (LCM) of 30 and 60 is 60.
Why numbers are shaded twice when you shade multiples of 2 and 5?
10 20 30 40 50 60 70 80 90 100
What are the lowest common multiples of 2 and 5?
10, (lowest number that is divisible by 2 and 5).
Lowest common multiples of 2 and 8?
8
What are the least common multiples of 4 and 2?
2- 2,4,6,8,10,12,14,16,18,20 4- 4,8,12,16,20,24,28,32,36 The lowest commen number is 4 so the LCM is 4
What are the four lowest multiples of 2?
2, 4, 6, 8.
What is the LCM of 2 and 5 what are the multiples?
Both 2 and 5 are prime numbers so their product 2 x 5 = 10 is the Lowest (or Least) Common Multiple. The common multiples of 2 and 5 are therefore any number which is a multiple of 10.
How many mutilple of 2 cards are they in a deck of 52?
multiples of 2: 2, 4, 6, 8. 10 number of spade with multiples of 2........... 5 number of heart with multiples of 2 ............5 number of diamond with multiples of 2........5 number of spade with multiples of 2 ...........5 =============================== total number of cards with multiple of 2.....20 cards
What are the multiples of 2 8 and 12?
The lowest common multiple is 24
What is the lowest common multiples of 2 8 and 12?
24
What are common multiples of 2 5 and7?
Common multiples of 2, 5, and 7 are numbers that are divisible by all three of these numbers. To find the common multiples, you can start by listing the multiples of each number: 2 (2, 4, 6, 8, 10, ...), 5 (5, 10, 15, 20, ...), and 7 (7, 14, 21, 28, ...). The common multiples of 2, 5, and 7 are numbers that appear in all three lists, such as 70, 140, 210, and so on.
Lowest Common Multiple of 70 and 40?
280 There are several ways to do this problem. The most practical way is to make a list of the multiples of 70: 70, 140, 210, 280, 350, 420, etc. Then make a list of the multiples of 40: 40, 80, 120, 160, 200, 240, 280, 320 What is the lowest number that appears in both lists? 280. That is not the method in any textbook! The textbook method is to factor out any common factors from one of the numbers. The factors of 70 are 2, 5, 7 (i.e. 2x5x7 = 70). The factors of 40 are 2, 2, 2, 5. Both numbers have a 2 and a 5 as factors. Take out a 2 and a five from the second list, then multiply all the factors that are left times the first number. 2x2x70 = 280. There are other related ways to do LCM problems. Different textbooks, grades, states, and countries emphasize slightly different methods.
How many numbers from 1 to 100 are multiples of 2 3 4 6 8 9?
Assuming you mean that you want the number of multiples of each, then for 1-100: number of multiples of 2 = 50 number of multiples of 3 = 33 number of multiples of 4 = 25 number of multiples of 6 = 16 number of multiples of 8 = 12 number of multiples of 9 = 11 Assuming you mean that you want the numbers that are multiples of 2, 3, 4, 6, 8 or 9, then some numbers may be multiples of more than one (for example 12 is a multiple of 2, 3, 4 and 6) and so a straight addition of the number of multiples of each cannot be done: Consider 2, 4 and 8 Every multiple of 4 or 8 is also a multiple of 2, so all the multiples of 4 and 8 are counted by the multiples of 2. Consider 3 and 9 Every multiple of 9 is also a multiple of 3, so all the multiples of 9 are counted by the multiple of 3 Consider 2, 3 and 6. Every multiple of 6 is an even multiple of 3, so are counted in both the multiples of 2 and 3. So the total number of multiples of 2, 3, 4, 6, 8 or 9 is the number of multiples of 2 plus the number of multiples of 3 minus the number of multiples of 6: For 1 to 100, Number of multiples of 2 = 50 Number of multiples of 3 = 33 Number of multiples of 6 = 16 So number of multiples of 2, 3, 4, 6, 8 or 9 in 1-100 is 50+33-16 = 67. Assuming you mean that they are multiples of all of 2, 3, 4, 6, 8 and 9, then they must be multiples of the lowest common multiple of 2, 3, 4, 6 ,8, 9 2 = 21, 3 = 31, 4 = 22, 6 = 2131, 8 = 23, 9 = 32 LCM = highest power of the primes used = 2332 = 72 Thus all numbers that are multiples of 2, 3, 4, 6, 8 and 9 are multiples of 72, which means between 1 and 100 only 1 number is a multiple of all of them, namely 72
What is the multiple for 2 and 4?
There are countless multiples for two and four. The lowest is 4.
