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What is the least common multiple of 7 and 21?
The LCM of 7 and 21 is 21. Since 7 is a factor of 21, the LCM is automatically 21.21 is.
What number is a factor of 14 but not a multiple of 7?
Well, honey, a factor of 14 that isn't a multiple of 7 is 2. You see, a factor of a number divides into it evenly, while a multiple is the result of multiplying a number by an integer. So, in this case, 2 fits the bill perfectly. Hope that clears things up for ya, sugar!
What is the greatest common factor of 7 and 21?
The GCF of 7 and 21 is 7. Since 7 is a factor of 21, it is automatically the GCF.Definition: A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that the numbers have in common.Method:One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.The factors of 7 are 1 and 7.The factors of 21 are 1, 3, 7, and 21..The common factors are 1 and 7. Therefore, the greatest common factor is 7.The GCF is 7.
Factor of 7?
7 is a prime number so it has to be 7 and 1
Is 7 a multiple of 42?
NO!!! '7' is a FACTOR of '42'. However, '42' is a multiple of '7'.
What number is a factor of 21 but not a multiple of 7?
The factors of 21 are 1, 3, 7, 21. The factors which are not a multiple of 7 are 1 and 3.
What number is a factor of 70 is a prime number and 21 is a multiple?
7
Which number is a multiple of 7 and has 3 as a factor?
21 has 3 as a factor and is a multiple of 7, and so as 210, 105, and an infinite number of other numbers.
The number 21 is the least common multiple of which two numbers?
3 and 7 or 1 and 21 or 3 and 21 or 7 and 21. 21 and any factor of 21.
What number am I I am a multiple of 7 and a factor of 210. The product of my two digits is odd. What number am I?
21 or 35
Is 7 a multiple of 14 and 21?
No, 7 is a factor of them.
What number is both a factor and multiple of 7?
The only number that could be both a factor and a multiple is 7 itself.
What is the greatest common multiple of 14 and 21?
The greatest common multiple of any set of integers is infinite.--------------------------------------------------------------------------------------------------------Did you perhaps mean:the greatest common FACTOR (the greatest number which divides into 14 and 21 without remainder): gcf(14, 21) = 7;the LOWEST common multiple (the smallest number which is a positive multiple of both 14 and 21): lcm(14, 21) = 42
What is the least common multiple of 8 14 21?
you would have to make a factor tree for 8, 14, and 21. 8 equals 2*2*2. 14 equals 7*2 and 21 equals 7*3. Then you have to see what is the lowest number that they have in common. 8,14,21 do not have a number in commone so there isn't a common multiple.
Which number is a factor of 21 but not a multiple of 7 a.2 b. 4 c. 5 d. 3?
d. 3
What is number that is multiple of 3 also a multiple of 7?
21
Is 7 a common multiple of 14 and 21?
No, it's a common factor.
