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