Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {15, 2, 13, 27, 11, 17} → ______
- Prime numbers in {5, 3, 27, 17, 25, 2} → ______
- Prime numbers in {27, 3, 21, 11, 17, 25} → ______
- Prime numbers in {15, 25, 23, 19, 17, 21} → ______
- Prime numbers in {3, 13, 27, 7, 12, 8} → ______
- Prime numbers in {3, 19, 27, 29, 25, 11} → ______
- Prime numbers in {3, 7, 9, 25, 2, 12} → ______
- Prime numbers in {25, 5, 17, 8, 13, 15} → ______
- Prime numbers in {9, 11, 2, 13, 19, 3} → ______
- Prime numbers in {19, 3, 7, 21, 2, 12} → ______
- Prime numbers in {9, 21, 19, 7, 29, 3} → ______
- Prime numbers in {21, 12, 19, 15, 3, 23} → ______
- Prime numbers in {29, 25, 23, 13, 5, 3} → ______
- Prime numbers in {15, 27, 2, 19, 21, 5} → ______
- Prime numbers in {12, 17, 2, 19, 11, 9} → ______
- Prime numbers in {9, 23, 21, 5, 8, 7} → ______
- Prime numbers in {13, 27, 23, 29, 8, 9} → ______
- Prime numbers in {27, 3, 29, 25, 2, 12} → ______
- Prime numbers in {5, 29, 17, 15, 7, 9} → ______
- Prime numbers in {17, 7, 23, 15, 5, 9} → ______