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What are all co prime numbers from 1-500?
501
What are numbers that are not prime called?
Numbers that are not prime are called composite numbers. A composite number is a positive integer greater than one that can be formed by multiplying two smaller positive integers. In other words, composite numbers have more than two factors, unlike prime numbers which only have two factors (1 and the number itself).
Is it true or false that two composite numbers are relatively prime and explain?
Two composite numbers may or may not be relatively prime, depending on their factors. Relatively prime numbers are sets of two or more numbers having 1 as their greatest common factor (gcf). All even numbers have 2 as a common factor, so no even number is relatively prime with any other even number.
What are the four factors of the number 8?
1 and 8, 2 and 4. both sets of numbers multiply to 8.
What is the greatest common factor of 60 and 168?
The prime factors of 168 are 2, 2, 2, 3 and 7 The prime factors of 60 are 2, 2, 3 and 5 As two 2s and one 3 are common to both sets of factors the Highest Common Factor of both numbers is 2 x 2 x 3 = 12.
