Factors that are the same for two or more numbers are their common factors.What numbers are factors of both 7 and 8?Factors of 7 are 1, and 7.Factors of 8 are 1, 2, 4, and 8.Common factors are the numbers that are in both lists.So, 1 is the common factor of 7 and 8.
two numbers that have factors of 2, 5 and 7 are 70 and 140.
All numbers have factors.
Any of its factors which are: 1, 7, 19 and 133
The factors of 7 are 1 and 7. The factors of 21 are 1, 3, 7, and 21. The only numbers that are factors of BOTH 7 and 21 are 1 and 7.
They are: 2 3 5 and 7 all of which are prime numbers
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All numbers have factors. Some numbers have only two factors, the number one and the number itself. These are known as prime numbers. 7 has two factors: 1 and 7. 7 is a prime number.
Prime numbers don't have proper factors.
Pairs of numbers whose sum is -14 and that are factors of -189 include -7 and -7, and -21 and 7.
There are infinitely many composite numbers with infinitely many factors.
42 has 8 factors: 1 2 3 6 7 14 21 42.