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Factors, Fractions & Exponents

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Prime number
A number that can only be divided by 1 and itself. The numbers left at the bottom of the tree
Composite number
a number with more than two factors.
Answers to the Times Tables (eg: Multiples of 3 are: 3, 6, 9, 12, 15 etc.)
the numbers being multiplied
a number or a product of numbers and variables with exponents that are whole numbers
prime factorization
Breaking down a composite number until all of the factors are prime
factor tree
A diagram that shows the prime factorization of a composite number., A diagram showing the prime factorization of a number. The factors branch out from the previous factors until all of the factors are prime numbers.
common factor
a number that is a factor of two or more numbers
greatest common factor (GCF)
of two more numbers, the common factor that is greater than any other common factor
relatively prime
When the GCF of two numbers is one
equivalent fractions
fractions that have the same value
simplest form
a fraction that is in lowest terms
common multiple
A number that is a multiple of two or more numbers
least common multiple (LCM)
a multiple that is shared between two or more numbers that is lower than all the other common multiples
Least Common Denominator (LCD)
The least common denominator (LCD) of two or more fractions is the least common multiple (LCM) of the denominators of the fractions.
Scientific notation
where a number is written into 2 parts first just the digits (with decimal point after first digit) followed by ×10 to a power