Test a Number for Divisibility by Three (3) Number: Test MathOnDemand.com Clear As illustrated below, and by other available solutions, this application will test a number for divisibility by three (3). Solutions Test 126 for Divisibility by 3 Test 129 for Divisibility by 3 Test 13 for Divisibility by 3 Test 132 for Divisibility by 3 Test 135 for Divisibility by 3 Test 138 for Divisibility by 3 Related Applications List the Factors and Factor Pairs of a Whole Number List the First n Multiples of a Positive Integer Prime Factorization with a Factor Tree Related Glossary Terms Composite Number Divisibility Rules Multiple Multiplication Table Prime Factorization Prime Number