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 {17, 9, 25, 8, 12, 15} → ______
- Prime numbers in {7, 29, 21, 23, 25, 13} → ______
- Prime numbers in {17, 3, 19, 12, 9, 27} → ______
- Prime numbers in {2, 19, 12, 5, 29, 7} → ______
- Prime numbers in {17, 8, 9, 2, 11, 27} → ______
- Prime numbers in {17, 27, 7, 11, 25, 21} → ______
- Prime numbers in {17, 23, 15, 13, 27, 2} → ______
- Prime numbers in {21, 29, 17, 11, 23, 19} → ______
- Prime numbers in {9, 23, 15, 5, 7, 25} → ______
- Prime numbers in {17, 15, 8, 23, 3, 7} → ______
- Prime numbers in {7, 21, 29, 27, 15, 9} → ______
- Prime numbers in {15, 8, 29, 19, 2, 11} → ______
- Prime numbers in {12, 9, 27, 3, 11, 19} → ______
- Prime numbers in {12, 8, 27, 5, 3, 19} → ______
- Prime numbers in {27, 11, 8, 12, 17, 3} → ______
- Prime numbers in {5, 11, 19, 12, 25, 3} → ______
- Prime numbers in {5, 12, 11, 21, 9, 3} → ______
- Prime numbers in {7, 15, 12, 23, 17, 13} → ______
- Prime numbers in {29, 9, 25, 5, 2, 21} → ______
- Prime numbers in {12, 3, 9, 2, 11, 23} → ______