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