OCR Further Additional Pure AS 2018 March — Question 1

Exam BoardOCR
ModuleFurther Additional Pure AS (Further Additional Pure AS)
Year2018
SessionMarch
TopicNumber Theory
1 Use standard divisibility tests to show that the number $$N = 91039173588$$
  • is divisible by 9
  • is divisible by 11
  • is not divisible by 8 .
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