21.
63 = 32 x 7
84 = 22 x 3 x 7
hcf = 3 x 7 = 21
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1 The factors of 7 are 1 and 7 (7 is prime) The factors of 12 are 1, 2, 3, 4, 6, and 12 The only factor they share is 1
It is a factor of both numbers
Answer: 2Solution: The greatest common factor of two numbers is defined as the largest number that divides both numbers into whole numbers (i.e. divides the numbers evenly).The easiest way to find the G.C.F. in this case is to begin by listing the factors of the smaller number:Factors of 70: 70, 35, 14, 10, 7, 5, 2, 1See if 70 divides 458 evenly (it does not), then 35 (again, it does not), and so on...until we find a factor of 70 that is also a factor of 458. We find that 2 is the largest such number.
The only whole number that divides evenly into both 7 and 100 is ' 1 '.
Oh, what a happy little question! To find a number that goes into both 112 and 98, we can look for their common factors. The largest number that divides evenly into both 112 and 98 is 14. Just like painting a beautiful landscape, finding common factors can bring harmony and balance to our mathematical world.