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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?
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