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