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Highest Common Factors

Classwork Series and Exercises {Mathematics- JSS1}: Factors and Multiples

Factors 40 ÷ 8 = 5 and 40 ÷ 5 = 8. We say that 8 and 5 are factors of 40. If we can divide a whole number by another whole number without remainder, the second number is a factor of the first. The numbers 1, 2, 4, 5, 8, 10, 20 and 40 [...]

Classwork Series and Exercises {Mathematics- JSS1}: Whole Numbers and Factors

Factors, Prime factors (revision) 40 ÷ 8 = 5 and 40 ÷ 5 = 8 8 and 5 divide into 40 without remainder. 8 and 5 are factors of 40. A prime number has only two factors, itself and 1, but 1 is not a prime number. 2, 3, 5, 7, 11, 13, … are prime [...]